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Finding the Fourth Proportional to 62,691.68, 93,913.32 and 37,738.28

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Solution

The fourth proportional to 62,691.68, 93,913.32 and 37,738.28 is: 56,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,691.68 : 93,913.32 = 37,738.28 : x
  2. Step 2: Convert to fraction form
    62,691.68/93,913.32 = 37,738.28/x
  3. Step 3: Cross multiply
    62,691.68x = 93,913.32 × 37,738.28
  4. Step 4: Simplify right side
    62,691.68x = 3,544,127,165.89
  5. Step 5: Solve for x
    x = 3,544,127,165.89/62,691.68
  6. Step 6: Final answer
    x = 56,532.66

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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.