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Finding the Fourth Proportional to 16,380.78, 24,571.17 and 7,014.75

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Solution

The fourth proportional to 16,380.78, 24,571.17 and 7,014.75 is: 10,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.78 : 24,571.17 = 7,014.75 : x
  2. Step 2: Convert to fraction form
    16,380.78/24,571.17 = 7,014.75/x
  3. Step 3: Cross multiply
    16,380.78x = 24,571.17 × 7,014.75
  4. Step 4: Simplify right side
    16,380.78x = 172,360,614.76
  5. Step 5: Solve for x
    x = 172,360,614.76/16,380.78
  6. Step 6: Final answer
    x = 10,522.13

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Similar ratio
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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.