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Finding the Fourth Proportional to 5,016.80, 6,922.87 and 2,892.22

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Solution

The fourth proportional to 5,016.80, 6,922.87 and 2,892.22 is: 3,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.80 : 6,922.87 = 2,892.22 : x
  2. Step 2: Convert to fraction form
    5,016.80/6,922.87 = 2,892.22/x
  3. Step 3: Cross multiply
    5,016.80x = 6,922.87 × 2,892.22
  4. Step 4: Simplify right side
    5,016.80x = 20,022,477.47
  5. Step 5: Solve for x
    x = 20,022,477.47/5,016.80
  6. Step 6: Final answer
    x = 3,991.08

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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.