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Finding the Fourth Proportional to 1,162.65, 1,744.89 and 1,025.97

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Solution

The fourth proportional to 1,162.65, 1,744.89 and 1,025.97 is: 1,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.65 : 1,744.89 = 1,025.97 : x
  2. Step 2: Convert to fraction form
    1,162.65/1,744.89 = 1,025.97/x
  3. Step 3: Cross multiply
    1,162.65x = 1,744.89 × 1,025.97
  4. Step 4: Simplify right side
    1,162.65x = 1,790,204.79
  5. Step 5: Solve for x
    x = 1,790,204.79/1,162.65
  6. Step 6: Final answer
    x = 1,539.76

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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.