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Finding the Fourth Proportional to 25,726.62, 38,589.51 and 8,196.21

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Solution

The fourth proportional to 25,726.62, 38,589.51 and 8,196.21 is: 12,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.62 : 38,589.51 = 8,196.21 : x
  2. Step 2: Convert to fraction form
    25,726.62/38,589.51 = 8,196.21/x
  3. Step 3: Cross multiply
    25,726.62x = 38,589.51 × 8,196.21
  4. Step 4: Simplify right side
    25,726.62x = 316,287,727.76
  5. Step 5: Solve for x
    x = 316,287,727.76/25,726.62
  6. Step 6: Final answer
    x = 12,294.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.