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Finding the Fourth Proportional to 4,993.79, 7,488.36 and 2,914.39

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Solution

The fourth proportional to 4,993.79, 7,488.36 and 2,914.39 is: 4,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.79 : 7,488.36 = 2,914.39 : x
  2. Step 2: Convert to fraction form
    4,993.79/7,488.36 = 2,914.39/x
  3. Step 3: Cross multiply
    4,993.79x = 7,488.36 × 2,914.39
  4. Step 4: Simplify right side
    4,993.79x = 21,823,982.78
  5. Step 5: Solve for x
    x = 21,823,982.78/4,993.79
  6. Step 6: Final answer
    x = 4,370.23

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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.