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Finding the Fourth Proportional to 6,791.52, 9,372.69 and 5,109.93

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Solution

The fourth proportional to 6,791.52, 9,372.69 and 5,109.93 is: 7,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.52 : 9,372.69 = 5,109.93 : x
  2. Step 2: Convert to fraction form
    6,791.52/9,372.69 = 5,109.93/x
  3. Step 3: Cross multiply
    6,791.52x = 9,372.69 × 5,109.93
  4. Step 4: Simplify right side
    6,791.52x = 47,893,789.81
  5. Step 5: Solve for x
    x = 47,893,789.81/6,791.52
  6. Step 6: Final answer
    x = 7,052.00

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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.