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Finding the Fourth Proportional to 9,272.71, 13,819.85 and 9,125.09

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Solution

The fourth proportional to 9,272.71, 13,819.85 and 9,125.09 is: 13,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.71 : 13,819.85 = 9,125.09 : x
  2. Step 2: Convert to fraction form
    9,272.71/13,819.85 = 9,125.09/x
  3. Step 3: Cross multiply
    9,272.71x = 13,819.85 × 9,125.09
  4. Step 4: Simplify right side
    9,272.71x = 126,107,397.85
  5. Step 5: Solve for x
    x = 126,107,397.85/9,272.71
  6. Step 6: Final answer
    x = 13,599.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.