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Finding the Fourth Proportional to 3,514.76, 4,850.60 and 1,942.88

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Solution

The fourth proportional to 3,514.76, 4,850.60 and 1,942.88 is: 2,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.76 : 4,850.60 = 1,942.88 : x
  2. Step 2: Convert to fraction form
    3,514.76/4,850.60 = 1,942.88/x
  3. Step 3: Cross multiply
    3,514.76x = 4,850.60 × 1,942.88
  4. Step 4: Simplify right side
    3,514.76x = 9,424,133.73
  5. Step 5: Solve for x
    x = 9,424,133.73/3,514.76
  6. Step 6: Final answer
    x = 2,681.30

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Double scale
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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.