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Finding the Fourth Proportional to 3,624.01, 5,436.72 and 1,543.99

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Solution

The fourth proportional to 3,624.01, 5,436.72 and 1,543.99 is: 2,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.01 : 5,436.72 = 1,543.99 : x
  2. Step 2: Convert to fraction form
    3,624.01/5,436.72 = 1,543.99/x
  3. Step 3: Cross multiply
    3,624.01x = 5,436.72 × 1,543.99
  4. Step 4: Simplify right side
    3,624.01x = 8,394,241.31
  5. Step 5: Solve for x
    x = 8,394,241.31/3,624.01
  6. Step 6: Final answer
    x = 2,316.29

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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.