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Finding the Fourth Proportional to 2,898.74, 4,348.33 and 951.14

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Solution

The fourth proportional to 2,898.74, 4,348.33 and 951.14 is: 1,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.74 : 4,348.33 = 951.14 : x
  2. Step 2: Convert to fraction form
    2,898.74/4,348.33 = 951.14/x
  3. Step 3: Cross multiply
    2,898.74x = 4,348.33 × 951.14
  4. Step 4: Simplify right side
    2,898.74x = 4,135,870.60
  5. Step 5: Solve for x
    x = 4,135,870.60/2,898.74
  6. Step 6: Final answer
    x = 1,426.78

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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.