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Finding the Fourth Proportional to 71,604.82, 107,422.72 and 27,232.41

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Solution

The fourth proportional to 71,604.82, 107,422.72 and 27,232.41 is: 40,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,604.82 : 107,422.72 = 27,232.41 : x
  2. Step 2: Convert to fraction form
    71,604.82/107,422.72 = 27,232.41/x
  3. Step 3: Cross multiply
    71,604.82x = 107,422.72 × 27,232.41
  4. Step 4: Simplify right side
    71,604.82x = 2,925,379,284.86
  5. Step 5: Solve for x
    x = 2,925,379,284.86/71,604.82
  6. Step 6: Final answer
    x = 40,854.50

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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.