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Finding the Fourth Proportional to 4,318.44, 6,477.45 and 1,396.68

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Solution

The fourth proportional to 4,318.44, 6,477.45 and 1,396.68 is: 2,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.44 : 6,477.45 = 1,396.68 : x
  2. Step 2: Convert to fraction form
    4,318.44/6,477.45 = 1,396.68/x
  3. Step 3: Cross multiply
    4,318.44x = 6,477.45 × 1,396.68
  4. Step 4: Simplify right side
    4,318.44x = 9,046,924.87
  5. Step 5: Solve for x
    x = 9,046,924.87/4,318.44
  6. Step 6: Final answer
    x = 2,094.95

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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.