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Finding the Fourth Proportional to 26,941.17, 40,412.42 and 9,171.80

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Solution

The fourth proportional to 26,941.17, 40,412.42 and 9,171.80 is: 13,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,941.17 : 40,412.42 = 9,171.80 : x
  2. Step 2: Convert to fraction form
    26,941.17/40,412.42 = 9,171.80/x
  3. Step 3: Cross multiply
    26,941.17x = 40,412.42 × 9,171.80
  4. Step 4: Simplify right side
    26,941.17x = 370,654,385.83
  5. Step 5: Solve for x
    x = 370,654,385.83/26,941.17
  6. Step 6: Final answer
    x = 13,757.92

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1.5x scale

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.