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Finding the Fourth Proportional to 17,487.78, 26,208.99 and 7,093.86

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Solution

The fourth proportional to 17,487.78, 26,208.99 and 7,093.86 is: 10,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.78 : 26,208.99 = 7,093.86 : x
  2. Step 2: Convert to fraction form
    17,487.78/26,208.99 = 7,093.86/x
  3. Step 3: Cross multiply
    17,487.78x = 26,208.99 × 7,093.86
  4. Step 4: Simplify right side
    17,487.78x = 185,922,905.80
  5. Step 5: Solve for x
    x = 185,922,905.80/17,487.78
  6. Step 6: Final answer
    x = 10,631.59

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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.