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Finding the Fourth Proportional to 12,343.92, 18,507.64 and 6,799.92

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Solution

The fourth proportional to 12,343.92, 18,507.64 and 6,799.92 is: 10,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.92 : 18,507.64 = 6,799.92 : x
  2. Step 2: Convert to fraction form
    12,343.92/18,507.64 = 6,799.92/x
  3. Step 3: Cross multiply
    12,343.92x = 18,507.64 × 6,799.92
  4. Step 4: Simplify right side
    12,343.92x = 125,850,471.39
  5. Step 5: Solve for x
    x = 125,850,471.39/12,343.92
  6. Step 6: Final answer
    x = 10,195.34

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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.