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Finding the Fourth Proportional to 62,471.76, 93,688.20 and 18,101.58

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Solution

The fourth proportional to 62,471.76, 93,688.20 and 18,101.58 is: 27,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.76 : 93,688.20 = 18,101.58 : x
  2. Step 2: Convert to fraction form
    62,471.76/93,688.20 = 18,101.58/x
  3. Step 3: Cross multiply
    62,471.76x = 93,688.20 × 18,101.58
  4. Step 4: Simplify right side
    62,471.76x = 1,695,904,447.36
  5. Step 5: Solve for x
    x = 1,695,904,447.36/62,471.76
  6. Step 6: Final answer
    x = 27,146.74

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Why These Related Problems?

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