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Finding the Fourth Proportional to 56,253.80, 84,390.42 and 22,991.96

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Solution

The fourth proportional to 56,253.80, 84,390.42 and 22,991.96 is: 34,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,253.80 : 84,390.42 = 22,991.96 : x
  2. Step 2: Convert to fraction form
    56,253.80/84,390.42 = 22,991.96/x
  3. Step 3: Cross multiply
    56,253.80x = 84,390.42 × 22,991.96
  4. Step 4: Simplify right side
    56,253.80x = 1,940,301,161.02
  5. Step 5: Solve for x
    x = 1,940,301,161.02/56,253.80
  6. Step 6: Final answer
    x = 34,491.91

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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.