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Finding the Fourth Proportional to 6,679.40, 10,018.86 and 2,062.40

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Solution

The fourth proportional to 6,679.40, 10,018.86 and 2,062.40 is: 3,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.40 : 10,018.86 = 2,062.40 : x
  2. Step 2: Convert to fraction form
    6,679.40/10,018.86 = 2,062.40/x
  3. Step 3: Cross multiply
    6,679.40x = 10,018.86 × 2,062.40
  4. Step 4: Simplify right side
    6,679.40x = 20,662,896.86
  5. Step 5: Solve for x
    x = 20,662,896.86/6,679.40
  6. Step 6: Final answer
    x = 3,093.53

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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.