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Finding the Fourth Proportional to 8,754.75, 12,077.39 and 5,923.11

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Solution

The fourth proportional to 8,754.75, 12,077.39 and 5,923.11 is: 8,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.75 : 12,077.39 = 5,923.11 : x
  2. Step 2: Convert to fraction form
    8,754.75/12,077.39 = 5,923.11/x
  3. Step 3: Cross multiply
    8,754.75x = 12,077.39 × 5,923.11
  4. Step 4: Simplify right side
    8,754.75x = 71,535,679.87
  5. Step 5: Solve for x
    x = 71,535,679.87/8,754.75
  6. Step 6: Final answer
    x = 8,171.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.