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Finding the Fourth Proportional to 9,591.80, 14,387.74 and 3,351.78

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Solution

The fourth proportional to 9,591.80, 14,387.74 and 3,351.78 is: 5,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.80 : 14,387.74 = 3,351.78 : x
  2. Step 2: Convert to fraction form
    9,591.80/14,387.74 = 3,351.78/x
  3. Step 3: Cross multiply
    9,591.80x = 14,387.74 × 3,351.78
  4. Step 4: Simplify right side
    9,591.80x = 48,224,530.80
  5. Step 5: Solve for x
    x = 48,224,530.80/9,591.80
  6. Step 6: Final answer
    x = 5,027.69

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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.