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Finding the Fourth Proportional to 41,146.40, 61,748.40 and 26,391.20

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Solution

The fourth proportional to 41,146.40, 61,748.40 and 26,391.20 is: 39,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,146.40 : 61,748.40 = 26,391.20 : x
  2. Step 2: Convert to fraction form
    41,146.40/61,748.40 = 26,391.20/x
  3. Step 3: Cross multiply
    41,146.40x = 61,748.40 × 26,391.20
  4. Step 4: Simplify right side
    41,146.40x = 1,629,614,374.08
  5. Step 5: Solve for x
    x = 1,629,614,374.08/41,146.40
  6. Step 6: Final answer
    x = 39,605.27

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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.