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Finding the Fourth Proportional to 37,572.71, 56,346.10 and 10,911.47

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Solution

The fourth proportional to 37,572.71, 56,346.10 and 10,911.47 is: 16,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,572.71 : 56,346.10 = 10,911.47 : x
  2. Step 2: Convert to fraction form
    37,572.71/56,346.10 = 10,911.47/x
  3. Step 3: Cross multiply
    37,572.71x = 56,346.10 × 10,911.47
  4. Step 4: Simplify right side
    37,572.71x = 614,818,470.76
  5. Step 5: Solve for x
    x = 614,818,470.76/37,572.71
  6. Step 6: Final answer
    x = 16,363.43

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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.