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Finding the Fourth Proportional to 1,162.53, 1,744.07 and 513.27

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Solution

The fourth proportional to 1,162.53, 1,744.07 and 513.27 is: 770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.53 : 1,744.07 = 513.27 : x
  2. Step 2: Convert to fraction form
    1,162.53/1,744.07 = 513.27/x
  3. Step 3: Cross multiply
    1,162.53x = 1,744.07 × 513.27
  4. Step 4: Simplify right side
    1,162.53x = 895,176.24
  5. Step 5: Solve for x
    x = 895,176.24/1,162.53
  6. Step 6: Final answer
    x = 770.02

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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.