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Finding the Fourth Proportional to 4,863.85, 6,712.13 and 2,846.90

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Solution

The fourth proportional to 4,863.85, 6,712.13 and 2,846.90 is: 3,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.85 : 6,712.13 = 2,846.90 : x
  2. Step 2: Convert to fraction form
    4,863.85/6,712.13 = 2,846.90/x
  3. Step 3: Cross multiply
    4,863.85x = 6,712.13 × 2,846.90
  4. Step 4: Simplify right side
    4,863.85x = 19,108,773.35
  5. Step 5: Solve for x
    x = 19,108,773.35/4,863.85
  6. Step 6: Final answer
    x = 3,928.73

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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.