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Finding the Fourth Proportional to 7,367.80, 11,051.70 and 6,711.70

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Solution

The fourth proportional to 7,367.80, 11,051.70 and 6,711.70 is: 10,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.80 : 11,051.70 = 6,711.70 : x
  2. Step 2: Convert to fraction form
    7,367.80/11,051.70 = 6,711.70/x
  3. Step 3: Cross multiply
    7,367.80x = 11,051.70 × 6,711.70
  4. Step 4: Simplify right side
    7,367.80x = 74,175,694.89
  5. Step 5: Solve for x
    x = 74,175,694.89/7,367.80
  6. Step 6: Final answer
    x = 10,067.55

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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.