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Finding the Fourth Proportional to 42,471.96, 63,707.58 and 10,881.96

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Solution

The fourth proportional to 42,471.96, 63,707.58 and 10,881.96 is: 16,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471.96 : 63,707.58 = 10,881.96 : x
  2. Step 2: Convert to fraction form
    42,471.96/63,707.58 = 10,881.96/x
  3. Step 3: Cross multiply
    42,471.96x = 63,707.58 × 10,881.96
  4. Step 4: Simplify right side
    42,471.96x = 693,263,337.26
  5. Step 5: Solve for x
    x = 693,263,337.26/42,471.96
  6. Step 6: Final answer
    x = 16,322.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.