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Finding the Fourth Proportional to 22,981.92, 34,404.84 and 14,188.56

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Solution

The fourth proportional to 22,981.92, 34,404.84 and 14,188.56 is: 21,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.92 : 34,404.84 = 14,188.56 : x
  2. Step 2: Convert to fraction form
    22,981.92/34,404.84 = 14,188.56/x
  3. Step 3: Cross multiply
    22,981.92x = 34,404.84 × 14,188.56
  4. Step 4: Simplify right side
    22,981.92x = 488,155,136.63
  5. Step 5: Solve for x
    x = 488,155,136.63/22,981.92
  6. Step 6: Final answer
    x = 21,240.83

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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.