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Finding the Fourth Proportional to 41,158.06, 61,687.86 and 18,949.06

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Solution

The fourth proportional to 41,158.06, 61,687.86 and 18,949.06 is: 28,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,158.06 : 61,687.86 = 18,949.06 : x
  2. Step 2: Convert to fraction form
    41,158.06/61,687.86 = 18,949.06/x
  3. Step 3: Cross multiply
    41,158.06x = 61,687.86 × 18,949.06
  4. Step 4: Simplify right side
    41,158.06x = 1,168,926,960.41
  5. Step 5: Solve for x
    x = 1,168,926,960.41/41,158.06
  6. Step 6: Final answer
    x = 28,400.92

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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.