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Finding the Fourth Proportional to 6,899.03, 10,349.97 and 2,219.39

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Solution

The fourth proportional to 6,899.03, 10,349.97 and 2,219.39 is: 3,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.03 : 10,349.97 = 2,219.39 : x
  2. Step 2: Convert to fraction form
    6,899.03/10,349.97 = 2,219.39/x
  3. Step 3: Cross multiply
    6,899.03x = 10,349.97 × 2,219.39
  4. Step 4: Simplify right side
    6,899.03x = 22,970,568.17
  5. Step 5: Solve for x
    x = 22,970,568.17/6,899.03
  6. Step 6: Final answer
    x = 3,329.54

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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.