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Finding the Fourth Proportional to 22,169.57, 30,597.95 and 13,217.64

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Solution

The fourth proportional to 22,169.57, 30,597.95 and 13,217.64 is: 18,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.57 : 30,597.95 = 13,217.64 : x
  2. Step 2: Convert to fraction form
    22,169.57/30,597.95 = 13,217.64/x
  3. Step 3: Cross multiply
    22,169.57x = 30,597.95 × 13,217.64
  4. Step 4: Simplify right side
    22,169.57x = 404,432,821.28
  5. Step 5: Solve for x
    x = 404,432,821.28/22,169.57
  6. Step 6: Final answer
    x = 18,242.70

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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.