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Finding the Fourth Proportional to 7,079.88, 10,605.42 and 3,567.72

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Solution

The fourth proportional to 7,079.88, 10,605.42 and 3,567.72 is: 5,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.88 : 10,605.42 = 3,567.72 : x
  2. Step 2: Convert to fraction form
    7,079.88/10,605.42 = 3,567.72/x
  3. Step 3: Cross multiply
    7,079.88x = 10,605.42 × 3,567.72
  4. Step 4: Simplify right side
    7,079.88x = 37,837,169.04
  5. Step 5: Solve for x
    x = 37,837,169.04/7,079.88
  6. Step 6: Final answer
    x = 5,344.32

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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.