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Finding the Fourth Proportional to 4,099.64, 5,657.48 and 2,236.64

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Solution

The fourth proportional to 4,099.64, 5,657.48 and 2,236.64 is: 3,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.64 : 5,657.48 = 2,236.64 : x
  2. Step 2: Convert to fraction form
    4,099.64/5,657.48 = 2,236.64/x
  3. Step 3: Cross multiply
    4,099.64x = 5,657.48 × 2,236.64
  4. Step 4: Simplify right side
    4,099.64x = 12,653,746.07
  5. Step 5: Solve for x
    x = 12,653,746.07/4,099.64
  6. Step 6: Final answer
    x = 3,086.55

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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.