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Finding the Fourth Proportional to 17,699.44, 26,553.48 and 5,387.44

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Solution

The fourth proportional to 17,699.44, 26,553.48 and 5,387.44 is: 8,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.44 : 26,553.48 = 5,387.44 : x
  2. Step 2: Convert to fraction form
    17,699.44/26,553.48 = 5,387.44/x
  3. Step 3: Cross multiply
    17,699.44x = 26,553.48 × 5,387.44
  4. Step 4: Simplify right side
    17,699.44x = 143,055,280.29
  5. Step 5: Solve for x
    x = 143,055,280.29/17,699.44
  6. Step 6: Final answer
    x = 8,082.47

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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.