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Finding the Fourth Proportional to 26,943.30, 40,414.95 and 26,505.90

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Solution

The fourth proportional to 26,943.30, 40,414.95 and 26,505.90 is: 39,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.30 : 40,414.95 = 26,505.90 : x
  2. Step 2: Convert to fraction form
    26,943.30/40,414.95 = 26,505.90/x
  3. Step 3: Cross multiply
    26,943.30x = 40,414.95 × 26,505.90
  4. Step 4: Simplify right side
    26,943.30x = 1,071,234,623.21
  5. Step 5: Solve for x
    x = 1,071,234,623.21/26,943.30
  6. Step 6: Final answer
    x = 39,758.85

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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.