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Finding the Fourth Proportional to 7,694.16, 11,532.13 and 3,530.66

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Solution

The fourth proportional to 7,694.16, 11,532.13 and 3,530.66 is: 5,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.16 : 11,532.13 = 3,530.66 : x
  2. Step 2: Convert to fraction form
    7,694.16/11,532.13 = 3,530.66/x
  3. Step 3: Cross multiply
    7,694.16x = 11,532.13 × 3,530.66
  4. Step 4: Simplify right side
    7,694.16x = 40,716,006.86
  5. Step 5: Solve for x
    x = 40,716,006.86/7,694.16
  6. Step 6: Final answer
    x = 5,291.81

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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.