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Finding the Fourth Proportional to 1,751.04, 2,626.56 and 724.96

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Solution

The fourth proportional to 1,751.04, 2,626.56 and 724.96 is: 1,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.04 : 2,626.56 = 724.96 : x
  2. Step 2: Convert to fraction form
    1,751.04/2,626.56 = 724.96/x
  3. Step 3: Cross multiply
    1,751.04x = 2,626.56 × 724.96
  4. Step 4: Simplify right side
    1,751.04x = 1,904,150.94
  5. Step 5: Solve for x
    x = 1,904,150.94/1,751.04
  6. Step 6: Final answer
    x = 1,087.44

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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.