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Finding the Fourth Proportional to 56,508.48, 84,761.28 and 26,947.20

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Solution

The fourth proportional to 56,508.48, 84,761.28 and 26,947.20 is: 40,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.48 : 84,761.28 = 26,947.20 : x
  2. Step 2: Convert to fraction form
    56,508.48/84,761.28 = 26,947.20/x
  3. Step 3: Cross multiply
    56,508.48x = 84,761.28 × 26,947.20
  4. Step 4: Simplify right side
    56,508.48x = 2,284,079,164.42
  5. Step 5: Solve for x
    x = 2,284,079,164.42/56,508.48
  6. Step 6: Final answer
    x = 40,420.11

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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.