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Finding the Fourth Proportional to 29,031.40, 43,449.90 and 25,532.20

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Solution

The fourth proportional to 29,031.40, 43,449.90 and 25,532.20 is: 38,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031.40 : 43,449.90 = 25,532.20 : x
  2. Step 2: Convert to fraction form
    29,031.40/43,449.90 = 25,532.20/x
  3. Step 3: Cross multiply
    29,031.40x = 43,449.90 × 25,532.20
  4. Step 4: Simplify right side
    29,031.40x = 1,109,371,536.78
  5. Step 5: Solve for x
    x = 1,109,371,536.78/29,031.40
  6. Step 6: Final answer
    x = 38,212.82

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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.