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Finding the Fourth Proportional to 8,079.03, 11,148.30 and 4,542.57

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Solution

The fourth proportional to 8,079.03, 11,148.30 and 4,542.57 is: 6,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.03 : 11,148.30 = 4,542.57 : x
  2. Step 2: Convert to fraction form
    8,079.03/11,148.30 = 4,542.57/x
  3. Step 3: Cross multiply
    8,079.03x = 11,148.30 × 4,542.57
  4. Step 4: Simplify right side
    8,079.03x = 50,641,933.13
  5. Step 5: Solve for x
    x = 50,641,933.13/8,079.03
  6. Step 6: Final answer
    x = 6,268.32

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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.