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Finding the Fourth Proportional to 3,592.92, 4,958.08 and 2,021.12

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Solution

The fourth proportional to 3,592.92, 4,958.08 and 2,021.12 is: 2,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.92 : 4,958.08 = 2,021.12 : x
  2. Step 2: Convert to fraction form
    3,592.92/4,958.08 = 2,021.12/x
  3. Step 3: Cross multiply
    3,592.92x = 4,958.08 × 2,021.12
  4. Step 4: Simplify right side
    3,592.92x = 10,020,874.65
  5. Step 5: Solve for x
    x = 10,020,874.65/3,592.92
  6. Step 6: Final answer
    x = 2,789.06

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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.