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Finding the Fourth Proportional to 16,172.80, 24,251.10 and 7,397.80

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Solution

The fourth proportional to 16,172.80, 24,251.10 and 7,397.80 is: 11,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.80 : 24,251.10 = 7,397.80 : x
  2. Step 2: Convert to fraction form
    16,172.80/24,251.10 = 7,397.80/x
  3. Step 3: Cross multiply
    16,172.80x = 24,251.10 × 7,397.80
  4. Step 4: Simplify right side
    16,172.80x = 179,404,787.58
  5. Step 5: Solve for x
    x = 179,404,787.58/16,172.80
  6. Step 6: Final answer
    x = 11,092.99

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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.