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Finding the Fourth Proportional to 62,499, 93,748.50 and 18,723

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Solution

The fourth proportional to 62,499, 93,748.50 and 18,723 is: 28,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,499 : 93,748.50 = 18,723 : x
  2. Step 2: Convert to fraction form
    62,499/93,748.50 = 18,723/x
  3. Step 3: Cross multiply
    62,499x = 93,748.50 × 18,723
  4. Step 4: Simplify right side
    62,499x = 1,755,253,165.50
  5. Step 5: Solve for x
    x = 1,755,253,165.50/62,499
  6. Step 6: Final answer
    x = 28,084.50

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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.