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Finding the Fourth Proportional to 38,043.46, 57,065.46 and 11,747.62

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Solution

The fourth proportional to 38,043.46, 57,065.46 and 11,747.62 is: 17,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.46 : 57,065.46 = 11,747.62 : x
  2. Step 2: Convert to fraction form
    38,043.46/57,065.46 = 11,747.62/x
  3. Step 3: Cross multiply
    38,043.46x = 57,065.46 × 11,747.62
  4. Step 4: Simplify right side
    38,043.46x = 670,383,339.21
  5. Step 5: Solve for x
    x = 670,383,339.21/38,043.46
  6. Step 6: Final answer
    x = 17,621.51

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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.