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Finding the Fourth Proportional to 11,605.74, 16,016.11 and 6,300.55

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Solution

The fourth proportional to 11,605.74, 16,016.11 and 6,300.55 is: 8,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.74 : 16,016.11 = 6,300.55 : x
  2. Step 2: Convert to fraction form
    11,605.74/16,016.11 = 6,300.55/x
  3. Step 3: Cross multiply
    11,605.74x = 16,016.11 × 6,300.55
  4. Step 4: Simplify right side
    11,605.74x = 100,910,326.15
  5. Step 5: Solve for x
    x = 100,910,326.15/11,605.74
  6. Step 6: Final answer
    x = 8,694.87

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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.