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Finding the Fourth Proportional to 9,269.82, 12,803.49 and 6,747.87

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Solution

The fourth proportional to 9,269.82, 12,803.49 and 6,747.87 is: 9,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.82 : 12,803.49 = 6,747.87 : x
  2. Step 2: Convert to fraction form
    9,269.82/12,803.49 = 6,747.87/x
  3. Step 3: Cross multiply
    9,269.82x = 12,803.49 × 6,747.87
  4. Step 4: Simplify right side
    9,269.82x = 86,396,286.07
  5. Step 5: Solve for x
    x = 86,396,286.07/9,269.82
  6. Step 6: Final answer
    x = 9,320.17

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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.