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Finding the Fourth Proportional to 12,241.08, 18,366.48 and 7,044.12

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Solution

The fourth proportional to 12,241.08, 18,366.48 and 7,044.12 is: 10,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.08 : 18,366.48 = 7,044.12 : x
  2. Step 2: Convert to fraction form
    12,241.08/18,366.48 = 7,044.12/x
  3. Step 3: Cross multiply
    12,241.08x = 18,366.48 × 7,044.12
  4. Step 4: Simplify right side
    12,241.08x = 129,375,689.10
  5. Step 5: Solve for x
    x = 129,375,689.10/12,241.08
  6. Step 6: Final answer
    x = 10,568.98

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1.5x scale

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.