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Finding the Fourth Proportional to 17,816.58, 26,731.02 and 6,726.42

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Solution

The fourth proportional to 17,816.58, 26,731.02 and 6,726.42 is: 10,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.58 : 26,731.02 = 6,726.42 : x
  2. Step 2: Convert to fraction form
    17,816.58/26,731.02 = 6,726.42/x
  3. Step 3: Cross multiply
    17,816.58x = 26,731.02 × 6,726.42
  4. Step 4: Simplify right side
    17,816.58x = 179,804,067.55
  5. Step 5: Solve for x
    x = 179,804,067.55/17,816.58
  6. Step 6: Final answer
    x = 10,091.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.