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Finding the Fourth Proportional to 1,697.98, 2,343.27 and 951.97

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Solution

The fourth proportional to 1,697.98, 2,343.27 and 951.97 is: 1,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.98 : 2,343.27 = 951.97 : x
  2. Step 2: Convert to fraction form
    1,697.98/2,343.27 = 951.97/x
  3. Step 3: Cross multiply
    1,697.98x = 2,343.27 × 951.97
  4. Step 4: Simplify right side
    1,697.98x = 2,230,722.74
  5. Step 5: Solve for x
    x = 2,230,722.74/1,697.98
  6. Step 6: Final answer
    x = 1,313.75

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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.