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Finding the Fourth Proportional to 71,630.60, 107,492.52 and 27,257.72

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Solution

The fourth proportional to 71,630.60, 107,492.52 and 27,257.72 is: 40,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630.60 : 107,492.52 = 27,257.72 : x
  2. Step 2: Convert to fraction form
    71,630.60/107,492.52 = 27,257.72/x
  3. Step 3: Cross multiply
    71,630.60x = 107,492.52 × 27,257.72
  4. Step 4: Simplify right side
    71,630.60x = 2,930,001,012.25
  5. Step 5: Solve for x
    x = 2,930,001,012.25/71,630.60
  6. Step 6: Final answer
    x = 40,904.32

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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.