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Finding the Fourth Proportional to 26,479.79, 36,565.84 and 19,753.73

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Solution

The fourth proportional to 26,479.79, 36,565.84 and 19,753.73 is: 27,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.79 : 36,565.84 = 19,753.73 : x
  2. Step 2: Convert to fraction form
    26,479.79/36,565.84 = 19,753.73/x
  3. Step 3: Cross multiply
    26,479.79x = 36,565.84 × 19,753.73
  4. Step 4: Simplify right side
    26,479.79x = 722,311,772.61
  5. Step 5: Solve for x
    x = 722,311,772.61/26,479.79
  6. Step 6: Final answer
    x = 27,277.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.