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Finding the Fourth Proportional to 1,179.46, 1,627.54 and 737.02

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Solution

The fourth proportional to 1,179.46, 1,627.54 and 737.02 is: 1,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.46 : 1,627.54 = 737.02 : x
  2. Step 2: Convert to fraction form
    1,179.46/1,627.54 = 737.02/x
  3. Step 3: Cross multiply
    1,179.46x = 1,627.54 × 737.02
  4. Step 4: Simplify right side
    1,179.46x = 1,199,529.53
  5. Step 5: Solve for x
    x = 1,199,529.53/1,179.46
  6. Step 6: Final answer
    x = 1,017.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.