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Finding the Fourth Proportional to 4,952.67, 6,834.87 and 2,856.75

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Solution

The fourth proportional to 4,952.67, 6,834.87 and 2,856.75 is: 3,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.67 : 6,834.87 = 2,856.75 : x
  2. Step 2: Convert to fraction form
    4,952.67/6,834.87 = 2,856.75/x
  3. Step 3: Cross multiply
    4,952.67x = 6,834.87 × 2,856.75
  4. Step 4: Simplify right side
    4,952.67x = 19,525,514.87
  5. Step 5: Solve for x
    x = 19,525,514.87/4,952.67
  6. Step 6: Final answer
    x = 3,942.42

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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.