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Finding the Fourth Proportional to 7,266.97, 9,996.95 and 6,366.65

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Solution

The fourth proportional to 7,266.97, 9,996.95 and 6,366.65 is: 8,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.97 : 9,996.95 = 6,366.65 : x
  2. Step 2: Convert to fraction form
    7,266.97/9,996.95 = 6,366.65/x
  3. Step 3: Cross multiply
    7,266.97x = 9,996.95 × 6,366.65
  4. Step 4: Simplify right side
    7,266.97x = 63,647,081.72
  5. Step 5: Solve for x
    x = 63,647,081.72/7,266.97
  6. Step 6: Final answer
    x = 8,758.41

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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.