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Finding the Fourth Proportional to 56,668, 85,001.96 and 26,995.92

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Solution

The fourth proportional to 56,668, 85,001.96 and 26,995.92 is: 40,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668 : 85,001.96 = 26,995.92 : x
  2. Step 2: Convert to fraction form
    56,668/85,001.96 = 26,995.92/x
  3. Step 3: Cross multiply
    56,668x = 85,001.96 × 26,995.92
  4. Step 4: Simplify right side
    56,668x = 2,294,706,112.00
  5. Step 5: Solve for x
    x = 2,294,706,112.00/56,668
  6. Step 6: Final answer
    x = 40,493.86

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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.