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Finding the Fourth Proportional to 2,671.62, 3,687.06 and 1,492.80

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Solution

The fourth proportional to 2,671.62, 3,687.06 and 1,492.80 is: 2,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.62 : 3,687.06 = 1,492.80 : x
  2. Step 2: Convert to fraction form
    2,671.62/3,687.06 = 1,492.80/x
  3. Step 3: Cross multiply
    2,671.62x = 3,687.06 × 1,492.80
  4. Step 4: Simplify right side
    2,671.62x = 5,504,043.17
  5. Step 5: Solve for x
    x = 5,504,043.17/2,671.62
  6. Step 6: Final answer
    x = 2,060.19

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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.