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Finding the Fourth Proportional to 9,324.90, 13,982.51 and 2,750.22

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Solution

The fourth proportional to 9,324.90, 13,982.51 and 2,750.22 is: 4,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.90 : 13,982.51 = 2,750.22 : x
  2. Step 2: Convert to fraction form
    9,324.90/13,982.51 = 2,750.22/x
  3. Step 3: Cross multiply
    9,324.90x = 13,982.51 × 2,750.22
  4. Step 4: Simplify right side
    9,324.90x = 38,454,964.90
  5. Step 5: Solve for x
    x = 38,454,964.90/9,324.90
  6. Step 6: Final answer
    x = 4,123.90

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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.