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Finding the Fourth Proportional to 17,843.10, 24,623.13 and 9,885.18

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Solution

The fourth proportional to 17,843.10, 24,623.13 and 9,885.18 is: 13,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.10 : 24,623.13 = 9,885.18 : x
  2. Step 2: Convert to fraction form
    17,843.10/24,623.13 = 9,885.18/x
  3. Step 3: Cross multiply
    17,843.10x = 24,623.13 × 9,885.18
  4. Step 4: Simplify right side
    17,843.10x = 243,404,072.21
  5. Step 5: Solve for x
    x = 243,404,072.21/17,843.10
  6. Step 6: Final answer
    x = 13,641.36

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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.