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Finding the Fourth Proportional to 3,848.82, 5,773.23 and 927.12

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Solution

The fourth proportional to 3,848.82, 5,773.23 and 927.12 is: 1,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.82 : 5,773.23 = 927.12 : x
  2. Step 2: Convert to fraction form
    3,848.82/5,773.23 = 927.12/x
  3. Step 3: Cross multiply
    3,848.82x = 5,773.23 × 927.12
  4. Step 4: Simplify right side
    3,848.82x = 5,352,493.28
  5. Step 5: Solve for x
    x = 5,352,493.28/3,848.82
  6. Step 6: Final answer
    x = 1,390.68

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Half scale
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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.