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Finding the Fourth Proportional to 29,578.30, 40,818.03 and 16,149.61

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Solution

The fourth proportional to 29,578.30, 40,818.03 and 16,149.61 is: 22,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.30 : 40,818.03 = 16,149.61 : x
  2. Step 2: Convert to fraction form
    29,578.30/40,818.03 = 16,149.61/x
  3. Step 3: Cross multiply
    29,578.30x = 40,818.03 × 16,149.61
  4. Step 4: Simplify right side
    29,578.30x = 659,195,255.93
  5. Step 5: Solve for x
    x = 659,195,255.93/29,578.30
  6. Step 6: Final answer
    x = 22,286.45

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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.