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Finding the Fourth Proportional to 66,693.77, 100,040.65 and 27,250.85

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Solution

The fourth proportional to 66,693.77, 100,040.65 and 27,250.85 is: 40,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.77 : 100,040.65 = 27,250.85 : x
  2. Step 2: Convert to fraction form
    66,693.77/100,040.65 = 27,250.85/x
  3. Step 3: Cross multiply
    66,693.77x = 100,040.65 × 27,250.85
  4. Step 4: Simplify right side
    66,693.77x = 2,726,192,314.98
  5. Step 5: Solve for x
    x = 2,726,192,314.98/66,693.77
  6. Step 6: Final answer
    x = 40,876.27

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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.