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Finding the Fourth Proportional to 5,773.74, 8,661.48 and 2,486.85

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Solution

The fourth proportional to 5,773.74, 8,661.48 and 2,486.85 is: 3,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.74 : 8,661.48 = 2,486.85 : x
  2. Step 2: Convert to fraction form
    5,773.74/8,661.48 = 2,486.85/x
  3. Step 3: Cross multiply
    5,773.74x = 8,661.48 × 2,486.85
  4. Step 4: Simplify right side
    5,773.74x = 21,539,801.54
  5. Step 5: Solve for x
    x = 21,539,801.54/5,773.74
  6. Step 6: Final answer
    x = 3,730.65

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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.