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Finding the Fourth Proportional to 9,351.10, 13,994.25 and 8,963.65

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Solution

The fourth proportional to 9,351.10, 13,994.25 and 8,963.65 is: 13,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.10 : 13,994.25 = 8,963.65 : x
  2. Step 2: Convert to fraction form
    9,351.10/13,994.25 = 8,963.65/x
  3. Step 3: Cross multiply
    9,351.10x = 13,994.25 × 8,963.65
  4. Step 4: Simplify right side
    9,351.10x = 125,439,559.01
  5. Step 5: Solve for x
    x = 125,439,559.01/9,351.10
  6. Step 6: Final answer
    x = 13,414.42

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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.