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Finding the Fourth Proportional to 7,077.73, 9,766.67 and 4,093.74

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Solution

The fourth proportional to 7,077.73, 9,766.67 and 4,093.74 is: 5,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.73 : 9,766.67 = 4,093.74 : x
  2. Step 2: Convert to fraction form
    7,077.73/9,766.67 = 4,093.74/x
  3. Step 3: Cross multiply
    7,077.73x = 9,766.67 × 4,093.74
  4. Step 4: Simplify right side
    7,077.73x = 39,982,207.65
  5. Step 5: Solve for x
    x = 39,982,207.65/7,077.73
  6. Step 6: Final answer
    x = 5,649.02

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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.