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Finding the Fourth Proportional to 5,291.73, 7,938.92 and 1,593.88

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Solution

The fourth proportional to 5,291.73, 7,938.92 and 1,593.88 is: 2,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.73 : 7,938.92 = 1,593.88 : x
  2. Step 2: Convert to fraction form
    5,291.73/7,938.92 = 1,593.88/x
  3. Step 3: Cross multiply
    5,291.73x = 7,938.92 × 1,593.88
  4. Step 4: Simplify right side
    5,291.73x = 12,653,685.81
  5. Step 5: Solve for x
    x = 12,653,685.81/5,291.73
  6. Step 6: Final answer
    x = 2,391.22

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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.