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Finding the Fourth Proportional to 4,993.34, 6,890.84 and 2,755.30

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Solution

The fourth proportional to 4,993.34, 6,890.84 and 2,755.30 is: 3,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.34 : 6,890.84 = 2,755.30 : x
  2. Step 2: Convert to fraction form
    4,993.34/6,890.84 = 2,755.30/x
  3. Step 3: Cross multiply
    4,993.34x = 6,890.84 × 2,755.30
  4. Step 4: Simplify right side
    4,993.34x = 18,986,297.00
  5. Step 5: Solve for x
    x = 18,986,297.00/4,993.34
  6. Step 6: Final answer
    x = 3,802.33

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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.