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Finding the Fourth Proportional to 50,481, 75,753.90 and 22,779

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Solution

The fourth proportional to 50,481, 75,753.90 and 22,779 is: 34,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,481 : 75,753.90 = 22,779 : x
  2. Step 2: Convert to fraction form
    50,481/75,753.90 = 22,779/x
  3. Step 3: Cross multiply
    50,481x = 75,753.90 × 22,779
  4. Step 4: Simplify right side
    50,481x = 1,725,598,088.10
  5. Step 5: Solve for x
    x = 1,725,598,088.10/50,481
  6. Step 6: Final answer
    x = 34,183.12

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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.