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Finding the Fourth Proportional to 26,672.78, 40,002.96 and 7,951.10

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Solution

The fourth proportional to 26,672.78, 40,002.96 and 7,951.10 is: 11,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.78 : 40,002.96 = 7,951.10 : x
  2. Step 2: Convert to fraction form
    26,672.78/40,002.96 = 7,951.10/x
  3. Step 3: Cross multiply
    26,672.78x = 40,002.96 × 7,951.10
  4. Step 4: Simplify right side
    26,672.78x = 318,067,535.26
  5. Step 5: Solve for x
    x = 318,067,535.26/26,672.78
  6. Step 6: Final answer
    x = 11,924.80

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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.