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Finding the Fourth Proportional to 3,396.54, 5,091.90 and 1,546.99

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Solution

The fourth proportional to 3,396.54, 5,091.90 and 1,546.99 is: 2,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.54 : 5,091.90 = 1,546.99 : x
  2. Step 2: Convert to fraction form
    3,396.54/5,091.90 = 1,546.99/x
  3. Step 3: Cross multiply
    3,396.54x = 5,091.90 × 1,546.99
  4. Step 4: Simplify right side
    3,396.54x = 7,877,118.38
  5. Step 5: Solve for x
    x = 7,877,118.38/3,396.54
  6. Step 6: Final answer
    x = 2,319.16

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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.