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Finding the Fourth Proportional to 17,188.54, 23,721.86 and 9,634.88

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Solution

The fourth proportional to 17,188.54, 23,721.86 and 9,634.88 is: 13,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.54 : 23,721.86 = 9,634.88 : x
  2. Step 2: Convert to fraction form
    17,188.54/23,721.86 = 9,634.88/x
  3. Step 3: Cross multiply
    17,188.54x = 23,721.86 × 9,634.88
  4. Step 4: Simplify right side
    17,188.54x = 228,557,357.87
  5. Step 5: Solve for x
    x = 228,557,357.87/17,188.54
  6. Step 6: Final answer
    x = 13,297.08

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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.