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Finding the Fourth Proportional to 6,822.70, 10,215.82 and 4,344.10

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Solution

The fourth proportional to 6,822.70, 10,215.82 and 4,344.10 is: 6,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.70 : 10,215.82 = 4,344.10 : x
  2. Step 2: Convert to fraction form
    6,822.70/10,215.82 = 4,344.10/x
  3. Step 3: Cross multiply
    6,822.70x = 10,215.82 × 4,344.10
  4. Step 4: Simplify right side
    6,822.70x = 44,378,543.66
  5. Step 5: Solve for x
    x = 44,378,543.66/6,822.70
  6. Step 6: Final answer
    x = 6,504.54

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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.