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Finding the Fourth Proportional to 29,891.70, 44,841.60 and 11,167.20

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Solution

The fourth proportional to 29,891.70, 44,841.60 and 11,167.20 is: 16,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891.70 : 44,841.60 = 11,167.20 : x
  2. Step 2: Convert to fraction form
    29,891.70/44,841.60 = 11,167.20/x
  3. Step 3: Cross multiply
    29,891.70x = 44,841.60 × 11,167.20
  4. Step 4: Simplify right side
    29,891.70x = 500,755,115.52
  5. Step 5: Solve for x
    x = 500,755,115.52/29,891.70
  6. Step 6: Final answer
    x = 16,752.31

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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.