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Finding the Fourth Proportional to 29,135.80, 43,700.82 and 11,600.92

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Solution

The fourth proportional to 29,135.80, 43,700.82 and 11,600.92 is: 17,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.80 : 43,700.82 = 11,600.92 : x
  2. Step 2: Convert to fraction form
    29,135.80/43,700.82 = 11,600.92/x
  3. Step 3: Cross multiply
    29,135.80x = 43,700.82 × 11,600.92
  4. Step 4: Simplify right side
    29,135.80x = 506,969,716.75
  5. Step 5: Solve for x
    x = 506,969,716.75/29,135.80
  6. Step 6: Final answer
    x = 17,400.23

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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.