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Finding the Fourth Proportional to 4,993.92, 6,888.42 and 3,226.86

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Solution

The fourth proportional to 4,993.92, 6,888.42 and 3,226.86 is: 4,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.92 : 6,888.42 = 3,226.86 : x
  2. Step 2: Convert to fraction form
    4,993.92/6,888.42 = 3,226.86/x
  3. Step 3: Cross multiply
    4,993.92x = 6,888.42 × 3,226.86
  4. Step 4: Simplify right side
    4,993.92x = 22,227,966.96
  5. Step 5: Solve for x
    x = 22,227,966.96/4,993.92
  6. Step 6: Final answer
    x = 4,451.01

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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.