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Finding the Fourth Proportional to 2,402.66, 3,604.43 and 759.62

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Solution

The fourth proportional to 2,402.66, 3,604.43 and 759.62 is: 1,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.66 : 3,604.43 = 759.62 : x
  2. Step 2: Convert to fraction form
    2,402.66/3,604.43 = 759.62/x
  3. Step 3: Cross multiply
    2,402.66x = 3,604.43 × 759.62
  4. Step 4: Simplify right side
    2,402.66x = 2,737,980.99
  5. Step 5: Solve for x
    x = 2,737,980.99/2,402.66
  6. Step 6: Final answer
    x = 1,139.56

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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.