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Finding the Fourth Proportional to 5,578.13, 8,370.44 and 2,500.13

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Solution

The fourth proportional to 5,578.13, 8,370.44 and 2,500.13 is: 3,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.13 : 8,370.44 = 2,500.13 : x
  2. Step 2: Convert to fraction form
    5,578.13/8,370.44 = 2,500.13/x
  3. Step 3: Cross multiply
    5,578.13x = 8,370.44 × 2,500.13
  4. Step 4: Simplify right side
    5,578.13x = 20,927,133.80
  5. Step 5: Solve for x
    x = 20,927,133.80/5,578.13
  6. Step 6: Final answer
    x = 3,751.64

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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.