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Finding the Fourth Proportional to 17,857.44, 24,616.44 and 11,876.40

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Solution

The fourth proportional to 17,857.44, 24,616.44 and 11,876.40 is: 16,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.44 : 24,616.44 = 11,876.40 : x
  2. Step 2: Convert to fraction form
    17,857.44/24,616.44 = 11,876.40/x
  3. Step 3: Cross multiply
    17,857.44x = 24,616.44 × 11,876.40
  4. Step 4: Simplify right side
    17,857.44x = 292,354,688.02
  5. Step 5: Solve for x
    x = 292,354,688.02/17,857.44
  6. Step 6: Final answer
    x = 16,371.59

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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.