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Finding the Fourth Proportional to 2,488.02, 3,732.30 and 949.02

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Solution

The fourth proportional to 2,488.02, 3,732.30 and 949.02 is: 1,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.02 : 3,732.30 = 949.02 : x
  2. Step 2: Convert to fraction form
    2,488.02/3,732.30 = 949.02/x
  3. Step 3: Cross multiply
    2,488.02x = 3,732.30 × 949.02
  4. Step 4: Simplify right side
    2,488.02x = 3,542,027.35
  5. Step 5: Solve for x
    x = 3,542,027.35/2,488.02
  6. Step 6: Final answer
    x = 1,423.63

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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.