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Finding the Fourth Proportional to 8,758.38, 13,132.93 and 3,822.26

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Solution

The fourth proportional to 8,758.38, 13,132.93 and 3,822.26 is: 5,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.38 : 13,132.93 = 3,822.26 : x
  2. Step 2: Convert to fraction form
    8,758.38/13,132.93 = 3,822.26/x
  3. Step 3: Cross multiply
    8,758.38x = 13,132.93 × 3,822.26
  4. Step 4: Simplify right side
    8,758.38x = 50,197,473.02
  5. Step 5: Solve for x
    x = 50,197,473.02/8,758.38
  6. Step 6: Final answer
    x = 5,731.37

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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.