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Finding the Fourth Proportional to 67,572.36, 93,264.66 and 39,294.36

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Solution

The fourth proportional to 67,572.36, 93,264.66 and 39,294.36 is: 54,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,572.36 : 93,264.66 = 39,294.36 : x
  2. Step 2: Convert to fraction form
    67,572.36/93,264.66 = 39,294.36/x
  3. Step 3: Cross multiply
    67,572.36x = 93,264.66 × 39,294.36
  4. Step 4: Simplify right side
    67,572.36x = 3,664,775,125.32
  5. Step 5: Solve for x
    x = 3,664,775,125.32/67,572.36
  6. Step 6: Final answer
    x = 54,234.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.