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Finding the Fourth Proportional to 2,469, 3,705.32 and 1,170.48

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Solution

The fourth proportional to 2,469, 3,705.32 and 1,170.48 is: 1,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469 : 3,705.32 = 1,170.48 : x
  2. Step 2: Convert to fraction form
    2,469/3,705.32 = 1,170.48/x
  3. Step 3: Cross multiply
    2,469x = 3,705.32 × 1,170.48
  4. Step 4: Simplify right side
    2,469x = 4,337,002.95
  5. Step 5: Solve for x
    x = 4,337,002.95/2,469
  6. Step 6: Final answer
    x = 1,756.58

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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.