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Finding the Fourth Proportional to 7,261.88, 10,892.95 and 2,067.89

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Solution

The fourth proportional to 7,261.88, 10,892.95 and 2,067.89 is: 3,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.88 : 10,892.95 = 2,067.89 : x
  2. Step 2: Convert to fraction form
    7,261.88/10,892.95 = 2,067.89/x
  3. Step 3: Cross multiply
    7,261.88x = 10,892.95 × 2,067.89
  4. Step 4: Simplify right side
    7,261.88x = 22,525,362.74
  5. Step 5: Solve for x
    x = 22,525,362.74/7,261.88
  6. Step 6: Final answer
    x = 3,101.87

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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.