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Finding the Fourth Proportional to 4,961.92, 7,437.62 and 2,327.20

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Solution

The fourth proportional to 4,961.92, 7,437.62 and 2,327.20 is: 3,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.92 : 7,437.62 = 2,327.20 : x
  2. Step 2: Convert to fraction form
    4,961.92/7,437.62 = 2,327.20/x
  3. Step 3: Cross multiply
    4,961.92x = 7,437.62 × 2,327.20
  4. Step 4: Simplify right side
    4,961.92x = 17,308,829.26
  5. Step 5: Solve for x
    x = 17,308,829.26/4,961.92
  6. Step 6: Final answer
    x = 3,488.33

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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.