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Finding the Fourth Proportional to 9,324.88, 13,987.31 and 3,481.94

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Solution

The fourth proportional to 9,324.88, 13,987.31 and 3,481.94 is: 5,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.88 : 13,987.31 = 3,481.94 : x
  2. Step 2: Convert to fraction form
    9,324.88/13,987.31 = 3,481.94/x
  3. Step 3: Cross multiply
    9,324.88x = 13,987.31 × 3,481.94
  4. Step 4: Simplify right side
    9,324.88x = 48,702,974.18
  5. Step 5: Solve for x
    x = 48,702,974.18/9,324.88
  6. Step 6: Final answer
    x = 5,222.91

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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.