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Finding the Fourth Proportional to 9,169.61, 13,754.46 and 6,240.65

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Solution

The fourth proportional to 9,169.61, 13,754.46 and 6,240.65 is: 9,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.61 : 13,754.46 = 6,240.65 : x
  2. Step 2: Convert to fraction form
    9,169.61/13,754.46 = 6,240.65/x
  3. Step 3: Cross multiply
    9,169.61x = 13,754.46 × 6,240.65
  4. Step 4: Simplify right side
    9,169.61x = 85,836,770.80
  5. Step 5: Solve for x
    x = 85,836,770.80/9,169.61
  6. Step 6: Final answer
    x = 9,361.01

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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.