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Finding the Fourth Proportional to 1,160.62, 1,737.41 and 750.04

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Solution

The fourth proportional to 1,160.62, 1,737.41 and 750.04 is: 1,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.62 : 1,737.41 = 750.04 : x
  2. Step 2: Convert to fraction form
    1,160.62/1,737.41 = 750.04/x
  3. Step 3: Cross multiply
    1,160.62x = 1,737.41 × 750.04
  4. Step 4: Simplify right side
    1,160.62x = 1,303,118.90
  5. Step 5: Solve for x
    x = 1,303,118.90/1,160.62
  6. Step 6: Final answer
    x = 1,122.78

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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.