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Finding the Fourth Proportional to 5,488.79, 7,575.24 and 3,601.98

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Solution

The fourth proportional to 5,488.79, 7,575.24 and 3,601.98 is: 4,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.79 : 7,575.24 = 3,601.98 : x
  2. Step 2: Convert to fraction form
    5,488.79/7,575.24 = 3,601.98/x
  3. Step 3: Cross multiply
    5,488.79x = 7,575.24 × 3,601.98
  4. Step 4: Simplify right side
    5,488.79x = 27,285,862.98
  5. Step 5: Solve for x
    x = 27,285,862.98/5,488.79
  6. Step 6: Final answer
    x = 4,971.20

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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.