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Finding the Fourth Proportional to 12,071.88, 16,658.76 and 6,694.08

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Solution

The fourth proportional to 12,071.88, 16,658.76 and 6,694.08 is: 9,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.88 : 16,658.76 = 6,694.08 : x
  2. Step 2: Convert to fraction form
    12,071.88/16,658.76 = 6,694.08/x
  3. Step 3: Cross multiply
    12,071.88x = 16,658.76 × 6,694.08
  4. Step 4: Simplify right side
    12,071.88x = 111,515,072.14
  5. Step 5: Solve for x
    x = 111,515,072.14/12,071.88
  6. Step 6: Final answer
    x = 9,237.59

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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.