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Finding the Fourth Proportional to 17,723.62, 26,589.98 and 5,243.14

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Solution

The fourth proportional to 17,723.62, 26,589.98 and 5,243.14 is: 7,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,723.62 : 26,589.98 = 5,243.14 : x
  2. Step 2: Convert to fraction form
    17,723.62/26,589.98 = 5,243.14/x
  3. Step 3: Cross multiply
    17,723.62x = 26,589.98 × 5,243.14
  4. Step 4: Simplify right side
    17,723.62x = 139,414,987.74
  5. Step 5: Solve for x
    x = 139,414,987.74/17,723.62
  6. Step 6: Final answer
    x = 7,866.06

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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.