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Finding the Fourth Proportional to 2,611.84, 3,604.24 and 1,492.72

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Solution

The fourth proportional to 2,611.84, 3,604.24 and 1,492.72 is: 2,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.84 : 3,604.24 = 1,492.72 : x
  2. Step 2: Convert to fraction form
    2,611.84/3,604.24 = 1,492.72/x
  3. Step 3: Cross multiply
    2,611.84x = 3,604.24 × 1,492.72
  4. Step 4: Simplify right side
    2,611.84x = 5,380,121.13
  5. Step 5: Solve for x
    x = 5,380,121.13/2,611.84
  6. Step 6: Final answer
    x = 2,059.90

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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.