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Finding the Fourth Proportional to 9,086.80, 13,630.16 and 2,512.92

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Solution

The fourth proportional to 9,086.80, 13,630.16 and 2,512.92 is: 3,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.80 : 13,630.16 = 2,512.92 : x
  2. Step 2: Convert to fraction form
    9,086.80/13,630.16 = 2,512.92/x
  3. Step 3: Cross multiply
    9,086.80x = 13,630.16 × 2,512.92
  4. Step 4: Simplify right side
    9,086.80x = 34,251,501.67
  5. Step 5: Solve for x
    x = 34,251,501.67/9,086.80
  6. Step 6: Final answer
    x = 3,769.37

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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.