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Finding the Fourth Proportional to 1,737.80, 2,398.18 and 951.86

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Solution

The fourth proportional to 1,737.80, 2,398.18 and 951.86 is: 1,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.80 : 2,398.18 = 951.86 : x
  2. Step 2: Convert to fraction form
    1,737.80/2,398.18 = 951.86/x
  3. Step 3: Cross multiply
    1,737.80x = 2,398.18 × 951.86
  4. Step 4: Simplify right side
    1,737.80x = 2,282,731.61
  5. Step 5: Solve for x
    x = 2,282,731.61/1,737.80
  6. Step 6: Final answer
    x = 1,313.58

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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.