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Finding the Fourth Proportional to 52,042.93, 71,819.11 and 28,169.41

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Solution

The fourth proportional to 52,042.93, 71,819.11 and 28,169.41 is: 38,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.93 : 71,819.11 = 28,169.41 : x
  2. Step 2: Convert to fraction form
    52,042.93/71,819.11 = 28,169.41/x
  3. Step 3: Cross multiply
    52,042.93x = 71,819.11 × 28,169.41
  4. Step 4: Simplify right side
    52,042.93x = 2,023,101,955.43
  5. Step 5: Solve for x
    x = 2,023,101,955.43/52,042.93
  6. Step 6: Final answer
    x = 38,873.71

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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.