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Finding the Fourth Proportional to 1,523.95, 2,287.17 and 793.73

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Solution

The fourth proportional to 1,523.95, 2,287.17 and 793.73 is: 1,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.95 : 2,287.17 = 793.73 : x
  2. Step 2: Convert to fraction form
    1,523.95/2,287.17 = 793.73/x
  3. Step 3: Cross multiply
    1,523.95x = 2,287.17 × 793.73
  4. Step 4: Simplify right side
    1,523.95x = 1,815,401.16
  5. Step 5: Solve for x
    x = 1,815,401.16/1,523.95
  6. Step 6: Final answer
    x = 1,191.25

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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.