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Finding the Fourth Proportional to 4,952.78, 6,834.80 and 2,714.75

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Solution

The fourth proportional to 4,952.78, 6,834.80 and 2,714.75 is: 3,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.78 : 6,834.80 = 2,714.75 : x
  2. Step 2: Convert to fraction form
    4,952.78/6,834.80 = 2,714.75/x
  3. Step 3: Cross multiply
    4,952.78x = 6,834.80 × 2,714.75
  4. Step 4: Simplify right side
    4,952.78x = 18,554,745.91
  5. Step 5: Solve for x
    x = 18,554,745.91/4,952.78
  6. Step 6: Final answer
    x = 3,746.33

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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.