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Finding the Fourth Proportional to 4,264.32, 6,396.48 and 3,291.84

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Solution

The fourth proportional to 4,264.32, 6,396.48 and 3,291.84 is: 4,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,264.32 : 6,396.48 = 3,291.84 : x
  2. Step 2: Convert to fraction form
    4,264.32/6,396.48 = 3,291.84/x
  3. Step 3: Cross multiply
    4,264.32x = 6,396.48 × 3,291.84
  4. Step 4: Simplify right side
    4,264.32x = 21,056,188.72
  5. Step 5: Solve for x
    x = 21,056,188.72/4,264.32
  6. Step 6: Final answer
    x = 4,937.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.