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Finding the Fourth Proportional to 9,906.65, 14,849.98 and 6,211.48

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Solution

The fourth proportional to 9,906.65, 14,849.98 and 6,211.48 is: 9,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.65 : 14,849.98 = 6,211.48 : x
  2. Step 2: Convert to fraction form
    9,906.65/14,849.98 = 6,211.48/x
  3. Step 3: Cross multiply
    9,906.65x = 14,849.98 × 6,211.48
  4. Step 4: Simplify right side
    9,906.65x = 92,240,279.52
  5. Step 5: Solve for x
    x = 92,240,279.52/9,906.65
  6. Step 6: Final answer
    x = 9,310.95

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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.