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Finding the Fourth Proportional to 40,847.91, 61,228.31 and 23,279.91

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Solution

The fourth proportional to 40,847.91, 61,228.31 and 23,279.91 is: 34,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,847.91 : 61,228.31 = 23,279.91 : x
  2. Step 2: Convert to fraction form
    40,847.91/61,228.31 = 23,279.91/x
  3. Step 3: Cross multiply
    40,847.91x = 61,228.31 × 23,279.91
  4. Step 4: Simplify right side
    40,847.91x = 1,425,389,429.85
  5. Step 5: Solve for x
    x = 1,425,389,429.85/40,847.91
  6. Step 6: Final answer
    x = 34,895.04

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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.