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Finding the Fourth Proportional to 16,710.12, 25,067.95 and 7,942.07

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Solution

The fourth proportional to 16,710.12, 25,067.95 and 7,942.07 is: 11,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.12 : 25,067.95 = 7,942.07 : x
  2. Step 2: Convert to fraction form
    16,710.12/25,067.95 = 7,942.07/x
  3. Step 3: Cross multiply
    16,710.12x = 25,067.95 × 7,942.07
  4. Step 4: Simplify right side
    16,710.12x = 199,091,456.47
  5. Step 5: Solve for x
    x = 199,091,456.47/16,710.12
  6. Step 6: Final answer
    x = 11,914.42

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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.