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Finding the Fourth Proportional to 8,876.10, 13,314.84 and 2,952.78

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Solution

The fourth proportional to 8,876.10, 13,314.84 and 2,952.78 is: 4,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.10 : 13,314.84 = 2,952.78 : x
  2. Step 2: Convert to fraction form
    8,876.10/13,314.84 = 2,952.78/x
  3. Step 3: Cross multiply
    8,876.10x = 13,314.84 × 2,952.78
  4. Step 4: Simplify right side
    8,876.10x = 39,315,793.26
  5. Step 5: Solve for x
    x = 39,315,793.26/8,876.10
  6. Step 6: Final answer
    x = 4,429.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.