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Finding the Fourth Proportional to 22,959.70, 34,439.55 and 15,523.90

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Solution

The fourth proportional to 22,959.70, 34,439.55 and 15,523.90 is: 23,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.70 : 34,439.55 = 15,523.90 : x
  2. Step 2: Convert to fraction form
    22,959.70/34,439.55 = 15,523.90/x
  3. Step 3: Cross multiply
    22,959.70x = 34,439.55 × 15,523.90
  4. Step 4: Simplify right side
    22,959.70x = 534,636,130.25
  5. Step 5: Solve for x
    x = 534,636,130.25/22,959.70
  6. Step 6: Final answer
    x = 23,285.85

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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.