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Finding the Fourth Proportional to 6,961.44, 10,388.04 and 6,340.44

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Solution

The fourth proportional to 6,961.44, 10,388.04 and 6,340.44 is: 9,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.44 : 10,388.04 = 6,340.44 : x
  2. Step 2: Convert to fraction form
    6,961.44/10,388.04 = 6,340.44/x
  3. Step 3: Cross multiply
    6,961.44x = 10,388.04 × 6,340.44
  4. Step 4: Simplify right side
    6,961.44x = 65,864,744.34
  5. Step 5: Solve for x
    x = 65,864,744.34/6,961.44
  6. Step 6: Final answer
    x = 9,461.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.