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Finding the Fourth Proportional to 62,496.90, 93,755.07 and 20,934.18

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Solution

The fourth proportional to 62,496.90, 93,755.07 and 20,934.18 is: 31,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,496.90 : 93,755.07 = 20,934.18 : x
  2. Step 2: Convert to fraction form
    62,496.90/93,755.07 = 20,934.18/x
  3. Step 3: Cross multiply
    62,496.90x = 93,755.07 × 20,934.18
  4. Step 4: Simplify right side
    62,496.90x = 1,962,685,511.29
  5. Step 5: Solve for x
    x = 1,962,685,511.29/62,496.90
  6. Step 6: Final answer
    x = 31,404.53

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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.