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Finding the Fourth Proportional to 26,862.97, 40,294.46 and 8,394.97

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Solution

The fourth proportional to 26,862.97, 40,294.46 and 8,394.97 is: 12,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.97 : 40,294.46 = 8,394.97 : x
  2. Step 2: Convert to fraction form
    26,862.97/40,294.46 = 8,394.97/x
  3. Step 3: Cross multiply
    26,862.97x = 40,294.46 × 8,394.97
  4. Step 4: Simplify right side
    26,862.97x = 338,270,782.87
  5. Step 5: Solve for x
    x = 338,270,782.87/26,862.97
  6. Step 6: Final answer
    x = 12,592.46

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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.