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Finding the Fourth Proportional to 56,674, 85,010.96 and 27,001.92

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Solution

The fourth proportional to 56,674, 85,010.96 and 27,001.92 is: 40,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,674 : 85,010.96 = 27,001.92 : x
  2. Step 2: Convert to fraction form
    56,674/85,010.96 = 27,001.92/x
  3. Step 3: Cross multiply
    56,674x = 85,010.96 × 27,001.92
  4. Step 4: Simplify right side
    56,674x = 2,295,459,141.04
  5. Step 5: Solve for x
    x = 2,295,459,141.04/56,674
  6. Step 6: Final answer
    x = 40,502.86

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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.