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Finding the Fourth Proportional to 3,252.48, 4,488.48 and 1,927.20

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Solution

The fourth proportional to 3,252.48, 4,488.48 and 1,927.20 is: 2,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.48 : 4,488.48 = 1,927.20 : x
  2. Step 2: Convert to fraction form
    3,252.48/4,488.48 = 1,927.20/x
  3. Step 3: Cross multiply
    3,252.48x = 4,488.48 × 1,927.20
  4. Step 4: Simplify right side
    3,252.48x = 8,650,198.66
  5. Step 5: Solve for x
    x = 8,650,198.66/3,252.48
  6. Step 6: Final answer
    x = 2,659.57

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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.