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Finding the Fourth Proportional to 12,049.11, 16,626.99 and 6,743.88

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Solution

The fourth proportional to 12,049.11, 16,626.99 and 6,743.88 is: 9,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.11 : 16,626.99 = 6,743.88 : x
  2. Step 2: Convert to fraction form
    12,049.11/16,626.99 = 6,743.88/x
  3. Step 3: Cross multiply
    12,049.11x = 16,626.99 × 6,743.88
  4. Step 4: Simplify right side
    12,049.11x = 112,130,425.32
  5. Step 5: Solve for x
    x = 112,130,425.32/12,049.11
  6. Step 6: Final answer
    x = 9,306.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.