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Finding the Fourth Proportional to 9,380.87, 12,947.33 and 6,027.87

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Solution

The fourth proportional to 9,380.87, 12,947.33 and 6,027.87 is: 8,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.87 : 12,947.33 = 6,027.87 : x
  2. Step 2: Convert to fraction form
    9,380.87/12,947.33 = 6,027.87/x
  3. Step 3: Cross multiply
    9,380.87x = 12,947.33 × 6,027.87
  4. Step 4: Simplify right side
    9,380.87x = 78,044,822.09
  5. Step 5: Solve for x
    x = 78,044,822.09/9,380.87
  6. Step 6: Final answer
    x = 8,319.57

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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.