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Finding the Fourth Proportional to 15,141.98, 22,712.01 and 7,250.12

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Solution

The fourth proportional to 15,141.98, 22,712.01 and 7,250.12 is: 10,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.98 : 22,712.01 = 7,250.12 : x
  2. Step 2: Convert to fraction form
    15,141.98/22,712.01 = 7,250.12/x
  3. Step 3: Cross multiply
    15,141.98x = 22,712.01 × 7,250.12
  4. Step 4: Simplify right side
    15,141.98x = 164,664,797.94
  5. Step 5: Solve for x
    x = 164,664,797.94/15,141.98
  6. Step 6: Final answer
    x = 10,874.72

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Double scale
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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.