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Finding the Fourth Proportional to 5,546.82, 7,654.14 and 3,156.14

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Solution

The fourth proportional to 5,546.82, 7,654.14 and 3,156.14 is: 4,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.82 : 7,654.14 = 3,156.14 : x
  2. Step 2: Convert to fraction form
    5,546.82/7,654.14 = 3,156.14/x
  3. Step 3: Cross multiply
    5,546.82x = 7,654.14 × 3,156.14
  4. Step 4: Simplify right side
    5,546.82x = 24,157,537.42
  5. Step 5: Solve for x
    x = 24,157,537.42/5,546.82
  6. Step 6: Final answer
    x = 4,355.20

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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.