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Finding the Fourth Proportional to 8,596.80, 12,887.01 and 2,749.41

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Solution

The fourth proportional to 8,596.80, 12,887.01 and 2,749.41 is: 4,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.80 : 12,887.01 = 2,749.41 : x
  2. Step 2: Convert to fraction form
    8,596.80/12,887.01 = 2,749.41/x
  3. Step 3: Cross multiply
    8,596.80x = 12,887.01 × 2,749.41
  4. Step 4: Simplify right side
    8,596.80x = 35,431,674.16
  5. Step 5: Solve for x
    x = 35,431,674.16/8,596.80
  6. Step 6: Final answer
    x = 4,121.50

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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.