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Finding the Fourth Proportional to 17,486.78, 26,226.11 and 5,004.47

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Solution

The fourth proportional to 17,486.78, 26,226.11 and 5,004.47 is: 7,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.78 : 26,226.11 = 5,004.47 : x
  2. Step 2: Convert to fraction form
    17,486.78/26,226.11 = 5,004.47/x
  3. Step 3: Cross multiply
    17,486.78x = 26,226.11 × 5,004.47
  4. Step 4: Simplify right side
    17,486.78x = 131,247,858.79
  5. Step 5: Solve for x
    x = 131,247,858.79/17,486.78
  6. Step 6: Final answer
    x = 7,505.55

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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.