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Finding the Fourth Proportional to 4,677.73, 6,454.71 and 2,789.41

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Solution

The fourth proportional to 4,677.73, 6,454.71 and 2,789.41 is: 3,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.73 : 6,454.71 = 2,789.41 : x
  2. Step 2: Convert to fraction form
    4,677.73/6,454.71 = 2,789.41/x
  3. Step 3: Cross multiply
    4,677.73x = 6,454.71 × 2,789.41
  4. Step 4: Simplify right side
    4,677.73x = 18,004,832.62
  5. Step 5: Solve for x
    x = 18,004,832.62/4,677.73
  6. Step 6: Final answer
    x = 3,849.05

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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.