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Finding the Fourth Proportional to 22,565.70, 33,839.18 and 8,523.32

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Solution

The fourth proportional to 22,565.70, 33,839.18 and 8,523.32 is: 12,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.70 : 33,839.18 = 8,523.32 : x
  2. Step 2: Convert to fraction form
    22,565.70/33,839.18 = 8,523.32/x
  3. Step 3: Cross multiply
    22,565.70x = 33,839.18 × 8,523.32
  4. Step 4: Simplify right side
    22,565.70x = 288,422,159.68
  5. Step 5: Solve for x
    x = 288,422,159.68/22,565.70
  6. Step 6: Final answer
    x = 12,781.44

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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.