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Finding the Fourth Proportional to 8,951.77, 13,427.66 and 3,403.83

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Solution

The fourth proportional to 8,951.77, 13,427.66 and 3,403.83 is: 5,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.77 : 13,427.66 = 3,403.83 : x
  2. Step 2: Convert to fraction form
    8,951.77/13,427.66 = 3,403.83/x
  3. Step 3: Cross multiply
    8,951.77x = 13,427.66 × 3,403.83
  4. Step 4: Simplify right side
    8,951.77x = 45,705,454.92
  5. Step 5: Solve for x
    x = 45,705,454.92/8,951.77
  6. Step 6: Final answer
    x = 5,105.75

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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.