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Finding the Fourth Proportional to 66,694.48, 100,041.71 and 27,251.55

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Solution

The fourth proportional to 66,694.48, 100,041.71 and 27,251.55 is: 40,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,694.48 : 100,041.71 = 27,251.55 : x
  2. Step 2: Convert to fraction form
    66,694.48/100,041.71 = 27,251.55/x
  3. Step 3: Cross multiply
    66,694.48x = 100,041.71 × 27,251.55
  4. Step 4: Simplify right side
    66,694.48x = 2,726,291,594.02
  5. Step 5: Solve for x
    x = 2,726,291,594.02/66,694.48
  6. Step 6: Final answer
    x = 40,877.32

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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.