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Finding the Fourth Proportional to 27,423.58, 41,126.85 and 9,891.13

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Solution

The fourth proportional to 27,423.58, 41,126.85 and 9,891.13 is: 14,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.58 : 41,126.85 = 9,891.13 : x
  2. Step 2: Convert to fraction form
    27,423.58/41,126.85 = 9,891.13/x
  3. Step 3: Cross multiply
    27,423.58x = 41,126.85 × 9,891.13
  4. Step 4: Simplify right side
    27,423.58x = 406,791,019.84
  5. Step 5: Solve for x
    x = 406,791,019.84/27,423.58
  6. Step 6: Final answer
    x = 14,833.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.