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Finding the Fourth Proportional to 8,687.82, 13,034.16 and 2,848.53

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Solution

The fourth proportional to 8,687.82, 13,034.16 and 2,848.53 is: 4,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.82 : 13,034.16 = 2,848.53 : x
  2. Step 2: Convert to fraction form
    8,687.82/13,034.16 = 2,848.53/x
  3. Step 3: Cross multiply
    8,687.82x = 13,034.16 × 2,848.53
  4. Step 4: Simplify right side
    8,687.82x = 37,128,195.78
  5. Step 5: Solve for x
    x = 37,128,195.78/8,687.82
  6. Step 6: Final answer
    x = 4,273.59

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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.