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Finding the Fourth Proportional to 33,310.75, 49,966.14 and 8,686.75

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Solution

The fourth proportional to 33,310.75, 49,966.14 and 8,686.75 is: 13,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.75 : 49,966.14 = 8,686.75 : x
  2. Step 2: Convert to fraction form
    33,310.75/49,966.14 = 8,686.75/x
  3. Step 3: Cross multiply
    33,310.75x = 49,966.14 × 8,686.75
  4. Step 4: Simplify right side
    33,310.75x = 434,043,366.65
  5. Step 5: Solve for x
    x = 434,043,366.65/33,310.75
  6. Step 6: Final answer
    x = 13,030.13

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Similar ratio
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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.