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Finding the Fourth Proportional to 17,843.61, 24,623.21 and 9,885.36

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Solution

The fourth proportional to 17,843.61, 24,623.21 and 9,885.36 is: 13,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.61 : 24,623.21 = 9,885.36 : x
  2. Step 2: Convert to fraction form
    17,843.61/24,623.21 = 9,885.36/x
  3. Step 3: Cross multiply
    17,843.61x = 24,623.21 × 9,885.36
  4. Step 4: Simplify right side
    17,843.61x = 243,409,245.78
  5. Step 5: Solve for x
    x = 243,409,245.78/17,843.61
  6. Step 6: Final answer
    x = 13,641.26

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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.