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Finding the Fourth Proportional to 9,199.70, 13,801.46 and 2,960.18

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Solution

The fourth proportional to 9,199.70, 13,801.46 and 2,960.18 is: 4,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.70 : 13,801.46 = 2,960.18 : x
  2. Step 2: Convert to fraction form
    9,199.70/13,801.46 = 2,960.18/x
  3. Step 3: Cross multiply
    9,199.70x = 13,801.46 × 2,960.18
  4. Step 4: Simplify right side
    9,199.70x = 40,854,805.86
  5. Step 5: Solve for x
    x = 40,854,805.86/9,199.70
  6. Step 6: Final answer
    x = 4,440.88

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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.