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Finding the Fourth Proportional to 2,660.86, 3,672.16 and 1,481.93

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Solution

The fourth proportional to 2,660.86, 3,672.16 and 1,481.93 is: 2,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.86 : 3,672.16 = 1,481.93 : x
  2. Step 2: Convert to fraction form
    2,660.86/3,672.16 = 1,481.93/x
  3. Step 3: Cross multiply
    2,660.86x = 3,672.16 × 1,481.93
  4. Step 4: Simplify right side
    2,660.86x = 5,441,884.07
  5. Step 5: Solve for x
    x = 5,441,884.07/2,660.86
  6. Step 6: Final answer
    x = 2,045.16

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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.