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Finding the Fourth Proportional to 4,993.56, 6,891 and 2,898.84

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Solution

The fourth proportional to 4,993.56, 6,891 and 2,898.84 is: 4,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.56 : 6,891 = 2,898.84 : x
  2. Step 2: Convert to fraction form
    4,993.56/6,891 = 2,898.84/x
  3. Step 3: Cross multiply
    4,993.56x = 6,891 × 2,898.84
  4. Step 4: Simplify right side
    4,993.56x = 19,975,906.44
  5. Step 5: Solve for x
    x = 19,975,906.44/4,993.56
  6. Step 6: Final answer
    x = 4,000.33

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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.