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Finding the Fourth Proportional to 36,251.40, 54,360.90 and 14,057.40

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Solution

The fourth proportional to 36,251.40, 54,360.90 and 14,057.40 is: 21,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,251.40 : 54,360.90 = 14,057.40 : x
  2. Step 2: Convert to fraction form
    36,251.40/54,360.90 = 14,057.40/x
  3. Step 3: Cross multiply
    36,251.40x = 54,360.90 × 14,057.40
  4. Step 4: Simplify right side
    36,251.40x = 764,172,915.66
  5. Step 5: Solve for x
    x = 764,172,915.66/36,251.40
  6. Step 6: Final answer
    x = 21,079.82

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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.