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Finding the Fourth Proportional to 5,015.32, 6,922.11 and 2,892.22

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Solution

The fourth proportional to 5,015.32, 6,922.11 and 2,892.22 is: 3,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.32 : 6,922.11 = 2,892.22 : x
  2. Step 2: Convert to fraction form
    5,015.32/6,922.11 = 2,892.22/x
  3. Step 3: Cross multiply
    5,015.32x = 6,922.11 × 2,892.22
  4. Step 4: Simplify right side
    5,015.32x = 20,020,283.04
  5. Step 5: Solve for x
    x = 20,020,283.04/5,015.32
  6. Step 6: Final answer
    x = 3,991.83

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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.