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Finding the Fourth Proportional to 4,883.82, 6,740.88 and 2,789.16

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Solution

The fourth proportional to 4,883.82, 6,740.88 and 2,789.16 is: 3,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.82 : 6,740.88 = 2,789.16 : x
  2. Step 2: Convert to fraction form
    4,883.82/6,740.88 = 2,789.16/x
  3. Step 3: Cross multiply
    4,883.82x = 6,740.88 × 2,789.16
  4. Step 4: Simplify right side
    4,883.82x = 18,801,392.86
  5. Step 5: Solve for x
    x = 18,801,392.86/4,883.82
  6. Step 6: Final answer
    x = 3,849.73

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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.