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Finding the Fourth Proportional to 5,910.61, 8,156.69 and 3,258.11

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Solution

The fourth proportional to 5,910.61, 8,156.69 and 3,258.11 is: 4,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.61 : 8,156.69 = 3,258.11 : x
  2. Step 2: Convert to fraction form
    5,910.61/8,156.69 = 3,258.11/x
  3. Step 3: Cross multiply
    5,910.61x = 8,156.69 × 3,258.11
  4. Step 4: Simplify right side
    5,910.61x = 26,575,414.14
  5. Step 5: Solve for x
    x = 26,575,414.14/5,910.61
  6. Step 6: Final answer
    x = 4,496.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.