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Finding the Fourth Proportional to 9,146.67, 13,713.71 and 3,600.65

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Solution

The fourth proportional to 9,146.67, 13,713.71 and 3,600.65 is: 5,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.67 : 13,713.71 = 3,600.65 : x
  2. Step 2: Convert to fraction form
    9,146.67/13,713.71 = 3,600.65/x
  3. Step 3: Cross multiply
    9,146.67x = 13,713.71 × 3,600.65
  4. Step 4: Simplify right side
    9,146.67x = 49,378,286.19
  5. Step 5: Solve for x
    x = 49,378,286.19/9,146.67
  6. Step 6: Final answer
    x = 5,398.50

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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.