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Finding the Fourth Proportional to 41,752.80, 62,636.12 and 20,693.88

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Solution

The fourth proportional to 41,752.80, 62,636.12 and 20,693.88 is: 31,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,752.80 : 62,636.12 = 20,693.88 : x
  2. Step 2: Convert to fraction form
    41,752.80/62,636.12 = 20,693.88/x
  3. Step 3: Cross multiply
    41,752.80x = 62,636.12 × 20,693.88
  4. Step 4: Simplify right side
    41,752.80x = 1,296,184,350.95
  5. Step 5: Solve for x
    x = 1,296,184,350.95/41,752.80
  6. Step 6: Final answer
    x = 31,044.25

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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.