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Finding the Fourth Proportional to 22,830.92, 34,249.13 and 8,787.68

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Solution

The fourth proportional to 22,830.92, 34,249.13 and 8,787.68 is: 13,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,830.92 : 34,249.13 = 8,787.68 : x
  2. Step 2: Convert to fraction form
    22,830.92/34,249.13 = 8,787.68/x
  3. Step 3: Cross multiply
    22,830.92x = 34,249.13 × 8,787.68
  4. Step 4: Simplify right side
    22,830.92x = 300,970,394.72
  5. Step 5: Solve for x
    x = 300,970,394.72/22,830.92
  6. Step 6: Final answer
    x = 13,182.58

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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.