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Finding the Fourth Proportional to 25,279.01, 37,920.17 and 10,489.11

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Solution

The fourth proportional to 25,279.01, 37,920.17 and 10,489.11 is: 15,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.01 : 37,920.17 = 10,489.11 : x
  2. Step 2: Convert to fraction form
    25,279.01/37,920.17 = 10,489.11/x
  3. Step 3: Cross multiply
    25,279.01x = 37,920.17 × 10,489.11
  4. Step 4: Simplify right side
    25,279.01x = 397,748,860.57
  5. Step 5: Solve for x
    x = 397,748,860.57/25,279.01
  6. Step 6: Final answer
    x = 15,734.36

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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.