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Finding the Fourth Proportional to 17,808.63, 26,713.07 and 5,327.47

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Solution

The fourth proportional to 17,808.63, 26,713.07 and 5,327.47 is: 7,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.63 : 26,713.07 = 5,327.47 : x
  2. Step 2: Convert to fraction form
    17,808.63/26,713.07 = 5,327.47/x
  3. Step 3: Cross multiply
    17,808.63x = 26,713.07 × 5,327.47
  4. Step 4: Simplify right side
    17,808.63x = 142,313,090.78
  5. Step 5: Solve for x
    x = 142,313,090.78/17,808.63
  6. Step 6: Final answer
    x = 7,991.24

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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.