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Finding the Fourth Proportional to 4,991.82, 6,888.42 and 2,753.25

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Solution

The fourth proportional to 4,991.82, 6,888.42 and 2,753.25 is: 3,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.82 : 6,888.42 = 2,753.25 : x
  2. Step 2: Convert to fraction form
    4,991.82/6,888.42 = 2,753.25/x
  3. Step 3: Cross multiply
    4,991.82x = 6,888.42 × 2,753.25
  4. Step 4: Simplify right side
    4,991.82x = 18,965,542.37
  5. Step 5: Solve for x
    x = 18,965,542.37/4,991.82
  6. Step 6: Final answer
    x = 3,799.32

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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.