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Finding the Fourth Proportional to 69,672.92, 104,476.44 and 26,998.34

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Solution

The fourth proportional to 69,672.92, 104,476.44 and 26,998.34 is: 40,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672.92 : 104,476.44 = 26,998.34 : x
  2. Step 2: Convert to fraction form
    69,672.92/104,476.44 = 26,998.34/x
  3. Step 3: Cross multiply
    69,672.92x = 104,476.44 × 26,998.34
  4. Step 4: Simplify right side
    69,672.92x = 2,820,690,449.11
  5. Step 5: Solve for x
    x = 2,820,690,449.11/69,672.92
  6. Step 6: Final answer
    x = 40,484.75

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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.