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Finding the Fourth Proportional to 44,752.05, 67,131.05 and 15,159.78

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Solution

The fourth proportional to 44,752.05, 67,131.05 and 15,159.78 is: 22,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,752.05 : 67,131.05 = 15,159.78 : x
  2. Step 2: Convert to fraction form
    44,752.05/67,131.05 = 15,159.78/x
  3. Step 3: Cross multiply
    44,752.05x = 67,131.05 × 15,159.78
  4. Step 4: Simplify right side
    44,752.05x = 1,017,691,873.37
  5. Step 5: Solve for x
    x = 1,017,691,873.37/44,752.05
  6. Step 6: Final answer
    x = 22,740.68

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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.