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Finding the Fourth Proportional to 2,016.87, 3,024.30 and 630.35

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Solution

The fourth proportional to 2,016.87, 3,024.30 and 630.35 is: 945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.87 : 3,024.30 = 630.35 : x
  2. Step 2: Convert to fraction form
    2,016.87/3,024.30 = 630.35/x
  3. Step 3: Cross multiply
    2,016.87x = 3,024.30 × 630.35
  4. Step 4: Simplify right side
    2,016.87x = 1,906,366.09
  5. Step 5: Solve for x
    x = 1,906,366.09/2,016.87
  6. Step 6: Final answer
    x = 945.21

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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.