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Finding the Fourth Proportional to 2,661.92, 3,672.92 and 1,482.78

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Solution

The fourth proportional to 2,661.92, 3,672.92 and 1,482.78 is: 2,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.92 : 3,672.92 = 1,482.78 : x
  2. Step 2: Convert to fraction form
    2,661.92/3,672.92 = 1,482.78/x
  3. Step 3: Cross multiply
    2,661.92x = 3,672.92 × 1,482.78
  4. Step 4: Simplify right side
    2,661.92x = 5,446,132.32
  5. Step 5: Solve for x
    x = 5,446,132.32/2,661.92
  6. Step 6: Final answer
    x = 2,045.94

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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.