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Finding the Fourth Proportional to 26,993.52, 40,474.80 and 8,268.57

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Solution

The fourth proportional to 26,993.52, 40,474.80 and 8,268.57 is: 12,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.52 : 40,474.80 = 8,268.57 : x
  2. Step 2: Convert to fraction form
    26,993.52/40,474.80 = 8,268.57/x
  3. Step 3: Cross multiply
    26,993.52x = 40,474.80 × 8,268.57
  4. Step 4: Simplify right side
    26,993.52x = 334,668,717.04
  5. Step 5: Solve for x
    x = 334,668,717.04/26,993.52
  6. Step 6: Final answer
    x = 12,398.11

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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.