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Finding the Fourth Proportional to 5,167.68, 7,752.52 and 2,206.08

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Solution

The fourth proportional to 5,167.68, 7,752.52 and 2,206.08 is: 3,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.68 : 7,752.52 = 2,206.08 : x
  2. Step 2: Convert to fraction form
    5,167.68/7,752.52 = 2,206.08/x
  3. Step 3: Cross multiply
    5,167.68x = 7,752.52 × 2,206.08
  4. Step 4: Simplify right side
    5,167.68x = 17,102,679.32
  5. Step 5: Solve for x
    x = 17,102,679.32/5,167.68
  6. Step 6: Final answer
    x = 3,309.55

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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.