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Finding the Fourth Proportional to 12,363.20, 18,546 and 3,597.92

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Solution

The fourth proportional to 12,363.20, 18,546 and 3,597.92 is: 5,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.20 : 18,546 = 3,597.92 : x
  2. Step 2: Convert to fraction form
    12,363.20/18,546 = 3,597.92/x
  3. Step 3: Cross multiply
    12,363.20x = 18,546 × 3,597.92
  4. Step 4: Simplify right side
    12,363.20x = 66,727,024.32
  5. Step 5: Solve for x
    x = 66,727,024.32/12,363.20
  6. Step 6: Final answer
    x = 5,397.23

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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.