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Finding the Fourth Proportional to 66,691.08, 100,050.12 and 27,251.37

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Solution

The fourth proportional to 66,691.08, 100,050.12 and 27,251.37 is: 40,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691.08 : 100,050.12 = 27,251.37 : x
  2. Step 2: Convert to fraction form
    66,691.08/100,050.12 = 27,251.37/x
  3. Step 3: Cross multiply
    66,691.08x = 100,050.12 × 27,251.37
  4. Step 4: Simplify right side
    66,691.08x = 2,726,502,838.66
  5. Step 5: Solve for x
    x = 2,726,502,838.66/66,691.08
  6. Step 6: Final answer
    x = 40,882.57

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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.