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Finding the Fourth Proportional to 7,206.72, 9,944.89 and 4,062.71

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Solution

The fourth proportional to 7,206.72, 9,944.89 and 4,062.71 is: 5,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.72 : 9,944.89 = 4,062.71 : x
  2. Step 2: Convert to fraction form
    7,206.72/9,944.89 = 4,062.71/x
  3. Step 3: Cross multiply
    7,206.72x = 9,944.89 × 4,062.71
  4. Step 4: Simplify right side
    7,206.72x = 40,403,144.17
  5. Step 5: Solve for x
    x = 40,403,144.17/7,206.72
  6. Step 6: Final answer
    x = 5,606.32

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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.