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Finding the Fourth Proportional to 71,627.60, 107,488.01 and 27,254.72

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Solution

The fourth proportional to 71,627.60, 107,488.01 and 27,254.72 is: 40,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,627.60 : 107,488.01 = 27,254.72 : x
  2. Step 2: Convert to fraction form
    71,627.60/107,488.01 = 27,254.72/x
  3. Step 3: Cross multiply
    71,627.60x = 107,488.01 × 27,254.72
  4. Step 4: Simplify right side
    71,627.60x = 2,929,555,146.60
  5. Step 5: Solve for x
    x = 2,929,555,146.60/71,627.60
  6. Step 6: Final answer
    x = 40,899.81

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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.