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Finding the Fourth Proportional to 1,162.92, 1,735.91 and 1,077.26

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Solution

The fourth proportional to 1,162.92, 1,735.91 and 1,077.26 is: 1,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.92 : 1,735.91 = 1,077.26 : x
  2. Step 2: Convert to fraction form
    1,162.92/1,735.91 = 1,077.26/x
  3. Step 3: Cross multiply
    1,162.92x = 1,735.91 × 1,077.26
  4. Step 4: Simplify right side
    1,162.92x = 1,870,026.41
  5. Step 5: Solve for x
    x = 1,870,026.41/1,162.92
  6. Step 6: Final answer
    x = 1,608.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.