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Finding the Fourth Proportional to 25,806.91, 35,605.12 and 15,049.35

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Solution

The fourth proportional to 25,806.91, 35,605.12 and 15,049.35 is: 20,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.91 : 35,605.12 = 15,049.35 : x
  2. Step 2: Convert to fraction form
    25,806.91/35,605.12 = 15,049.35/x
  3. Step 3: Cross multiply
    25,806.91x = 35,605.12 × 15,049.35
  4. Step 4: Simplify right side
    25,806.91x = 535,833,912.67
  5. Step 5: Solve for x
    x = 535,833,912.67/25,806.91
  6. Step 6: Final answer
    x = 20,763.20

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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.