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Finding the Fourth Proportional to 18,508.29, 27,763.80 and 5,860.95

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Solution

The fourth proportional to 18,508.29, 27,763.80 and 5,860.95 is: 8,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.29 : 27,763.80 = 5,860.95 : x
  2. Step 2: Convert to fraction form
    18,508.29/27,763.80 = 5,860.95/x
  3. Step 3: Cross multiply
    18,508.29x = 27,763.80 × 5,860.95
  4. Step 4: Simplify right side
    18,508.29x = 162,722,243.61
  5. Step 5: Solve for x
    x = 162,722,243.61/18,508.29
  6. Step 6: Final answer
    x = 8,791.86

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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.