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Finding the Fourth Proportional to 5,848.88, 8,067.72 and 3,489.68

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Solution

The fourth proportional to 5,848.88, 8,067.72 and 3,489.68 is: 4,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.88 : 8,067.72 = 3,489.68 : x
  2. Step 2: Convert to fraction form
    5,848.88/8,067.72 = 3,489.68/x
  3. Step 3: Cross multiply
    5,848.88x = 8,067.72 × 3,489.68
  4. Step 4: Simplify right side
    5,848.88x = 28,153,761.13
  5. Step 5: Solve for x
    x = 28,153,761.13/5,848.88
  6. Step 6: Final answer
    x = 4,813.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.