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Finding the Fourth Proportional to 15,209.19, 22,794.95 and 8,615.39

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Solution

The fourth proportional to 15,209.19, 22,794.95 and 8,615.39 is: 12,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.19 : 22,794.95 = 8,615.39 : x
  2. Step 2: Convert to fraction form
    15,209.19/22,794.95 = 8,615.39/x
  3. Step 3: Cross multiply
    15,209.19x = 22,794.95 × 8,615.39
  4. Step 4: Simplify right side
    15,209.19x = 196,387,270.31
  5. Step 5: Solve for x
    x = 196,387,270.31/15,209.19
  6. Step 6: Final answer
    x = 12,912.41

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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.