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Finding the Fourth Proportional to 5,266.97, 7,267.79 and 2,908.97

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Solution

The fourth proportional to 5,266.97, 7,267.79 and 2,908.97 is: 4,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.97 : 7,267.79 = 2,908.97 : x
  2. Step 2: Convert to fraction form
    5,266.97/7,267.79 = 2,908.97/x
  3. Step 3: Cross multiply
    5,266.97x = 7,267.79 × 2,908.97
  4. Step 4: Simplify right side
    5,266.97x = 21,141,754.01
  5. Step 5: Solve for x
    x = 21,141,754.01/5,266.97
  6. Step 6: Final answer
    x = 4,014.03

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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.