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Finding the Fourth Proportional to 3,326.67, 4,990.41 and 1,768.23

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Solution

The fourth proportional to 3,326.67, 4,990.41 and 1,768.23 is: 2,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.67 : 4,990.41 = 1,768.23 : x
  2. Step 2: Convert to fraction form
    3,326.67/4,990.41 = 1,768.23/x
  3. Step 3: Cross multiply
    3,326.67x = 4,990.41 × 1,768.23
  4. Step 4: Simplify right side
    3,326.67x = 8,824,192.67
  5. Step 5: Solve for x
    x = 8,824,192.67/3,326.67
  6. Step 6: Final answer
    x = 2,652.56

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Double scale
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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.