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Finding the Fourth Proportional to 2,963.20, 4,444.82 and 883.15

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Solution

The fourth proportional to 2,963.20, 4,444.82 and 883.15 is: 1,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.20 : 4,444.82 = 883.15 : x
  2. Step 2: Convert to fraction form
    2,963.20/4,444.82 = 883.15/x
  3. Step 3: Cross multiply
    2,963.20x = 4,444.82 × 883.15
  4. Step 4: Simplify right side
    2,963.20x = 3,925,442.78
  5. Step 5: Solve for x
    x = 3,925,442.78/2,963.20
  6. Step 6: Final answer
    x = 1,324.73

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1.5x scale

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.