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Finding the Fourth Proportional to 4,218.40, 6,329.04 and 3,737.44

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Solution

The fourth proportional to 4,218.40, 6,329.04 and 3,737.44 is: 5,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.40 : 6,329.04 = 3,737.44 : x
  2. Step 2: Convert to fraction form
    4,218.40/6,329.04 = 3,737.44/x
  3. Step 3: Cross multiply
    4,218.40x = 6,329.04 × 3,737.44
  4. Step 4: Simplify right side
    4,218.40x = 23,654,407.26
  5. Step 5: Solve for x
    x = 23,654,407.26/4,218.40
  6. Step 6: Final answer
    x = 5,607.44

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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.