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Finding the Fourth Proportional to 4,866.72, 6,716.52 and 3,805.44

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Solution

The fourth proportional to 4,866.72, 6,716.52 and 3,805.44 is: 5,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.72 : 6,716.52 = 3,805.44 : x
  2. Step 2: Convert to fraction form
    4,866.72/6,716.52 = 3,805.44/x
  3. Step 3: Cross multiply
    4,866.72x = 6,716.52 × 3,805.44
  4. Step 4: Simplify right side
    4,866.72x = 25,559,313.87
  5. Step 5: Solve for x
    x = 25,559,313.87/4,866.72
  6. Step 6: Final answer
    x = 5,251.86

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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.