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Finding the Fourth Proportional to 4,993.88, 7,486.72 and 2,074.28

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Solution

The fourth proportional to 4,993.88, 7,486.72 and 2,074.28 is: 3,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.88 : 7,486.72 = 2,074.28 : x
  2. Step 2: Convert to fraction form
    4,993.88/7,486.72 = 2,074.28/x
  3. Step 3: Cross multiply
    4,993.88x = 7,486.72 × 2,074.28
  4. Step 4: Simplify right side
    4,993.88x = 15,529,510.94
  5. Step 5: Solve for x
    x = 15,529,510.94/4,993.88
  6. Step 6: Final answer
    x = 3,109.71

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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.