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Finding the Fourth Proportional to 26,932.81, 40,374.08 and 9,151.30

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Solution

The fourth proportional to 26,932.81, 40,374.08 and 9,151.30 is: 13,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.81 : 40,374.08 = 9,151.30 : x
  2. Step 2: Convert to fraction form
    26,932.81/40,374.08 = 9,151.30/x
  3. Step 3: Cross multiply
    26,932.81x = 40,374.08 × 9,151.30
  4. Step 4: Simplify right side
    26,932.81x = 369,475,470.88
  5. Step 5: Solve for x
    x = 369,475,470.88/26,932.81
  6. Step 6: Final answer
    x = 13,718.41

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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.