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Finding the Fourth Proportional to 2,951.83, 4,425.81 and 1,369.90

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Solution

The fourth proportional to 2,951.83, 4,425.81 and 1,369.90 is: 2,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.83 : 4,425.81 = 1,369.90 : x
  2. Step 2: Convert to fraction form
    2,951.83/4,425.81 = 1,369.90/x
  3. Step 3: Cross multiply
    2,951.83x = 4,425.81 × 1,369.90
  4. Step 4: Simplify right side
    2,951.83x = 6,062,898.41
  5. Step 5: Solve for x
    x = 6,062,898.41/2,951.83
  6. Step 6: Final answer
    x = 2,053.95

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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.