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Finding the Fourth Proportional to 17,693.91, 24,408.27 and 11,643.21

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Solution

The fourth proportional to 17,693.91, 24,408.27 and 11,643.21 is: 16,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.91 : 24,408.27 = 11,643.21 : x
  2. Step 2: Convert to fraction form
    17,693.91/24,408.27 = 11,643.21/x
  3. Step 3: Cross multiply
    17,693.91x = 24,408.27 × 11,643.21
  4. Step 4: Simplify right side
    17,693.91x = 284,190,613.35
  5. Step 5: Solve for x
    x = 284,190,613.35/17,693.91
  6. Step 6: Final answer
    x = 16,061.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.