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Finding the Fourth Proportional to 6,947.92, 10,421.97 and 2,330.92

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Solution

The fourth proportional to 6,947.92, 10,421.97 and 2,330.92 is: 3,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.92 : 10,421.97 = 2,330.92 : x
  2. Step 2: Convert to fraction form
    6,947.92/10,421.97 = 2,330.92/x
  3. Step 3: Cross multiply
    6,947.92x = 10,421.97 × 2,330.92
  4. Step 4: Simplify right side
    6,947.92x = 24,292,778.31
  5. Step 5: Solve for x
    x = 24,292,778.31/6,947.92
  6. Step 6: Final answer
    x = 3,496.41

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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.