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Finding the Fourth Proportional to 17,843.70, 24,625.64 and 9,886.66

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Solution

The fourth proportional to 17,843.70, 24,625.64 and 9,886.66 is: 13,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.70 : 24,625.64 = 9,886.66 : x
  2. Step 2: Convert to fraction form
    17,843.70/24,625.64 = 9,886.66/x
  3. Step 3: Cross multiply
    17,843.70x = 24,625.64 × 9,886.66
  4. Step 4: Simplify right side
    17,843.70x = 243,465,329.96
  5. Step 5: Solve for x
    x = 243,465,329.96/17,843.70
  6. Step 6: Final answer
    x = 13,644.33

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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.