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Finding the Fourth Proportional to 7,930.27, 10,943.75 and 4,393.48

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Solution

The fourth proportional to 7,930.27, 10,943.75 and 4,393.48 is: 6,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.27 : 10,943.75 = 4,393.48 : x
  2. Step 2: Convert to fraction form
    7,930.27/10,943.75 = 4,393.48/x
  3. Step 3: Cross multiply
    7,930.27x = 10,943.75 × 4,393.48
  4. Step 4: Simplify right side
    7,930.27x = 48,081,146.75
  5. Step 5: Solve for x
    x = 48,081,146.75/7,930.27
  6. Step 6: Final answer
    x = 6,062.99

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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.