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Finding the Fourth Proportional to 8,677.88, 13,015.46 and 2,834.46

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Solution

The fourth proportional to 8,677.88, 13,015.46 and 2,834.46 is: 4,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.88 : 13,015.46 = 2,834.46 : x
  2. Step 2: Convert to fraction form
    8,677.88/13,015.46 = 2,834.46/x
  3. Step 3: Cross multiply
    8,677.88x = 13,015.46 × 2,834.46
  4. Step 4: Simplify right side
    8,677.88x = 36,891,800.75
  5. Step 5: Solve for x
    x = 36,891,800.75/8,677.88
  6. Step 6: Final answer
    x = 4,251.25

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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.