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Finding the Fourth Proportional to 16,612.13, 24,918.20 and 11,402.21

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Solution

The fourth proportional to 16,612.13, 24,918.20 and 11,402.21 is: 17,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.13 : 24,918.20 = 11,402.21 : x
  2. Step 2: Convert to fraction form
    16,612.13/24,918.20 = 11,402.21/x
  3. Step 3: Cross multiply
    16,612.13x = 24,918.20 × 11,402.21
  4. Step 4: Simplify right side
    16,612.13x = 284,122,549.22
  5. Step 5: Solve for x
    x = 284,122,549.22/16,612.13
  6. Step 6: Final answer
    x = 17,103.32

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Similar ratio
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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.