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Finding the Fourth Proportional to 8,754.98, 12,077.68 and 5,923.34

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Solution

The fourth proportional to 8,754.98, 12,077.68 and 5,923.34 is: 8,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.98 : 12,077.68 = 5,923.34 : x
  2. Step 2: Convert to fraction form
    8,754.98/12,077.68 = 5,923.34/x
  3. Step 3: Cross multiply
    8,754.98x = 12,077.68 × 5,923.34
  4. Step 4: Simplify right side
    8,754.98x = 71,540,205.05
  5. Step 5: Solve for x
    x = 71,540,205.05/8,754.98
  6. Step 6: Final answer
    x = 8,171.37

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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.