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Finding the Fourth Proportional to 82,951.92, 124,452.36 and 26,800.92

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Solution

The fourth proportional to 82,951.92, 124,452.36 and 26,800.92 is: 40,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,951.92 : 124,452.36 = 26,800.92 : x
  2. Step 2: Convert to fraction form
    82,951.92/124,452.36 = 26,800.92/x
  3. Step 3: Cross multiply
    82,951.92x = 124,452.36 × 26,800.92
  4. Step 4: Simplify right side
    82,951.92x = 3,335,437,744.17
  5. Step 5: Solve for x
    x = 3,335,437,744.17/82,951.92
  6. Step 6: Final answer
    x = 40,209.29

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1.5x scale

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.