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Finding the Fourth Proportional to 52,044.66, 71,821.80 and 28,171.32

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Solution

The fourth proportional to 52,044.66, 71,821.80 and 28,171.32 is: 38,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.66 : 71,821.80 = 28,171.32 : x
  2. Step 2: Convert to fraction form
    52,044.66/71,821.80 = 28,171.32/x
  3. Step 3: Cross multiply
    52,044.66x = 71,821.80 × 28,171.32
  4. Step 4: Simplify right side
    52,044.66x = 2,023,314,910.78
  5. Step 5: Solve for x
    x = 2,023,314,910.78/52,044.66
  6. Step 6: Final answer
    x = 38,876.51

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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.