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Finding the Fourth Proportional to 29,086.52, 40,142.84 and 16,339.73

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Solution

The fourth proportional to 29,086.52, 40,142.84 and 16,339.73 is: 22,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.52 : 40,142.84 = 16,339.73 : x
  2. Step 2: Convert to fraction form
    29,086.52/40,142.84 = 16,339.73/x
  3. Step 3: Cross multiply
    29,086.52x = 40,142.84 × 16,339.73
  4. Step 4: Simplify right side
    29,086.52x = 655,922,884.62
  5. Step 5: Solve for x
    x = 655,922,884.62/29,086.52
  6. Step 6: Final answer
    x = 22,550.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.