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Finding the Fourth Proportional to 12,266.22, 16,926.87 and 6,960.93

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Solution

The fourth proportional to 12,266.22, 16,926.87 and 6,960.93 is: 9,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.22 : 16,926.87 = 6,960.93 : x
  2. Step 2: Convert to fraction form
    12,266.22/16,926.87 = 6,960.93/x
  3. Step 3: Cross multiply
    12,266.22x = 16,926.87 × 6,960.93
  4. Step 4: Simplify right side
    12,266.22x = 117,826,757.19
  5. Step 5: Solve for x
    x = 117,826,757.19/12,266.22
  6. Step 6: Final answer
    x = 9,605.79

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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.