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Finding the Fourth Proportional to 64,901.56, 89,565.32 and 38,063.43

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Solution

The fourth proportional to 64,901.56, 89,565.32 and 38,063.43 is: 52,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.56 : 89,565.32 = 38,063.43 : x
  2. Step 2: Convert to fraction form
    64,901.56/89,565.32 = 38,063.43/x
  3. Step 3: Cross multiply
    64,901.56x = 89,565.32 × 38,063.43
  4. Step 4: Simplify right side
    64,901.56x = 3,409,163,288.25
  5. Step 5: Solve for x
    x = 3,409,163,288.25/64,901.56
  6. Step 6: Final answer
    x = 52,528.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.