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Finding the Fourth Proportional to 7,168.91, 10,750.12 and 2,169.35

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Solution

The fourth proportional to 7,168.91, 10,750.12 and 2,169.35 is: 3,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.91 : 10,750.12 = 2,169.35 : x
  2. Step 2: Convert to fraction form
    7,168.91/10,750.12 = 2,169.35/x
  3. Step 3: Cross multiply
    7,168.91x = 10,750.12 × 2,169.35
  4. Step 4: Simplify right side
    7,168.91x = 23,320,772.82
  5. Step 5: Solve for x
    x = 23,320,772.82/7,168.91
  6. Step 6: Final answer
    x = 3,253.04

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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.