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Finding the Fourth Proportional to 1,737.64, 2,398 and 951.70

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Solution

The fourth proportional to 1,737.64, 2,398 and 951.70 is: 1,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.64 : 2,398 = 951.70 : x
  2. Step 2: Convert to fraction form
    1,737.64/2,398 = 951.70/x
  3. Step 3: Cross multiply
    1,737.64x = 2,398 × 951.70
  4. Step 4: Simplify right side
    1,737.64x = 2,282,176.60
  5. Step 5: Solve for x
    x = 2,282,176.60/1,737.64
  6. Step 6: Final answer
    x = 1,313.38

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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.