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Finding the Fourth Proportional to 15,144.65, 22,709.44 and 9,593.78

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Solution

The fourth proportional to 15,144.65, 22,709.44 and 9,593.78 is: 14,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.65 : 22,709.44 = 9,593.78 : x
  2. Step 2: Convert to fraction form
    15,144.65/22,709.44 = 9,593.78/x
  3. Step 3: Cross multiply
    15,144.65x = 22,709.44 × 9,593.78
  4. Step 4: Simplify right side
    15,144.65x = 217,869,404.07
  5. Step 5: Solve for x
    x = 217,869,404.07/15,144.65
  6. Step 6: Final answer
    x = 14,385.90

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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.