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Finding the Fourth Proportional to 34,031.40, 50,949.90 and 30,532.20

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Solution

The fourth proportional to 34,031.40, 50,949.90 and 30,532.20 is: 45,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,031.40 : 50,949.90 = 30,532.20 : x
  2. Step 2: Convert to fraction form
    34,031.40/50,949.90 = 30,532.20/x
  3. Step 3: Cross multiply
    34,031.40x = 50,949.90 × 30,532.20
  4. Step 4: Simplify right side
    34,031.40x = 1,555,612,536.78
  5. Step 5: Solve for x
    x = 1,555,612,536.78/34,031.40
  6. Step 6: Final answer
    x = 45,711.09

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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.