Final answer:
To accumulate $4800.00 in ten years at 7.25% compounded semi-annually, a semi-annual payment of approximately $169.34 must be made into the fund at the beginning of every six months.
Step-by-step explanation:
To find the semi-annual payment, we need to use the formula for the future value of an ordinary annuity:
FV = P * [(1 + r/n)^(n*t) - 1] / (r/n)
Where FV is the future value, P is the payment, r is the interest rate, n is the number of compounding periods per year, and t is the number of years.
Plugging in the given values, we have:
4800 = P * [(1 + 0.0725/2)^(2*10) - 1] / (0.0725/2)
Using a financial calculator or spreadsheet, we find that P ≈ $169.34