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Finding the Fourth Proportional to 71,635.32, 107,452.98 and 22,387.32

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Solution

The fourth proportional to 71,635.32, 107,452.98 and 22,387.32 is: 33,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,635.32 : 107,452.98 = 22,387.32 : x
  2. Step 2: Convert to fraction form
    71,635.32/107,452.98 = 22,387.32/x
  3. Step 3: Cross multiply
    71,635.32x = 107,452.98 × 22,387.32
  4. Step 4: Simplify right side
    71,635.32x = 2,405,584,248.21
  5. Step 5: Solve for x
    x = 2,405,584,248.21/71,635.32
  6. Step 6: Final answer
    x = 33,580.98

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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.