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Finding the Fourth Proportional to 5,295.97, 7,938.78 and 2,521.89

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Solution

The fourth proportional to 5,295.97, 7,938.78 and 2,521.89 is: 3,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.97 : 7,938.78 = 2,521.89 : x
  2. Step 2: Convert to fraction form
    5,295.97/7,938.78 = 2,521.89/x
  3. Step 3: Cross multiply
    5,295.97x = 7,938.78 × 2,521.89
  4. Step 4: Simplify right side
    5,295.97x = 20,020,729.89
  5. Step 5: Solve for x
    x = 20,020,729.89/5,295.97
  6. Step 6: Final answer
    x = 3,780.37

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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.