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Finding the Fourth Proportional to 29,002.20, 43,503.28 and 7,114.20

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Solution

The fourth proportional to 29,002.20, 43,503.28 and 7,114.20 is: 10,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.20 : 43,503.28 = 7,114.20 : x
  2. Step 2: Convert to fraction form
    29,002.20/43,503.28 = 7,114.20/x
  3. Step 3: Cross multiply
    29,002.20x = 43,503.28 × 7,114.20
  4. Step 4: Simplify right side
    29,002.20x = 309,491,034.58
  5. Step 5: Solve for x
    x = 309,491,034.58/29,002.20
  6. Step 6: Final answer
    x = 10,671.30

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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.