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Finding the Fourth Proportional to 5,016.96, 6,921.10 and 3,249.13

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Solution

The fourth proportional to 5,016.96, 6,921.10 and 3,249.13 is: 4,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.96 : 6,921.10 = 3,249.13 : x
  2. Step 2: Convert to fraction form
    5,016.96/6,921.10 = 3,249.13/x
  3. Step 3: Cross multiply
    5,016.96x = 6,921.10 × 3,249.13
  4. Step 4: Simplify right side
    5,016.96x = 22,487,553.64
  5. Step 5: Solve for x
    x = 22,487,553.64/5,016.96
  6. Step 6: Final answer
    x = 4,482.31

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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.