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Finding the Fourth Proportional to 4,992.68, 7,489.56 and 2,073.44

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Solution

The fourth proportional to 4,992.68, 7,489.56 and 2,073.44 is: 3,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.68 : 7,489.56 = 2,073.44 : x
  2. Step 2: Convert to fraction form
    4,992.68/7,489.56 = 2,073.44/x
  3. Step 3: Cross multiply
    4,992.68x = 7,489.56 × 2,073.44
  4. Step 4: Simplify right side
    4,992.68x = 15,529,153.29
  5. Step 5: Solve for x
    x = 15,529,153.29/4,992.68
  6. Step 6: Final answer
    x = 3,110.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.