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Finding the Fourth Proportional to 9,151.80, 13,727.67 and 2,995.80

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Solution

The fourth proportional to 9,151.80, 13,727.67 and 2,995.80 is: 4,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.80 : 13,727.67 = 2,995.80 : x
  2. Step 2: Convert to fraction form
    9,151.80/13,727.67 = 2,995.80/x
  3. Step 3: Cross multiply
    9,151.80x = 13,727.67 × 2,995.80
  4. Step 4: Simplify right side
    9,151.80x = 41,125,353.79
  5. Step 5: Solve for x
    x = 41,125,353.79/9,151.80
  6. Step 6: Final answer
    x = 4,493.69

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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.