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Finding the Fourth Proportional to 2,403.34, 3,604.99 and 759.89

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Solution

The fourth proportional to 2,403.34, 3,604.99 and 759.89 is: 1,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.34 : 3,604.99 = 759.89 : x
  2. Step 2: Convert to fraction form
    2,403.34/3,604.99 = 759.89/x
  3. Step 3: Cross multiply
    2,403.34x = 3,604.99 × 759.89
  4. Step 4: Simplify right side
    2,403.34x = 2,739,389.18
  5. Step 5: Solve for x
    x = 2,739,389.18/2,403.34
  6. Step 6: Final answer
    x = 1,139.83

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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.