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Finding the Fourth Proportional to 6,081.70, 9,118.90 and 2,379.52

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Solution

The fourth proportional to 6,081.70, 9,118.90 and 2,379.52 is: 3,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.70 : 9,118.90 = 2,379.52 : x
  2. Step 2: Convert to fraction form
    6,081.70/9,118.90 = 2,379.52/x
  3. Step 3: Cross multiply
    6,081.70x = 9,118.90 × 2,379.52
  4. Step 4: Simplify right side
    6,081.70x = 21,698,604.93
  5. Step 5: Solve for x
    x = 21,698,604.93/6,081.70
  6. Step 6: Final answer
    x = 3,567.85

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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.