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Finding the Fourth Proportional to 4,992.33, 6,889.12 and 2,754.21

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Solution

The fourth proportional to 4,992.33, 6,889.12 and 2,754.21 is: 3,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.33 : 6,889.12 = 2,754.21 : x
  2. Step 2: Convert to fraction form
    4,992.33/6,889.12 = 2,754.21/x
  3. Step 3: Cross multiply
    4,992.33x = 6,889.12 × 2,754.21
  4. Step 4: Simplify right side
    4,992.33x = 18,974,083.20
  5. Step 5: Solve for x
    x = 18,974,083.20/4,992.33
  6. Step 6: Final answer
    x = 3,800.65

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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.