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Finding the Fourth Proportional to 2,611.52, 3,603.98 and 1,492.22

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Solution

The fourth proportional to 2,611.52, 3,603.98 and 1,492.22 is: 2,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.52 : 3,603.98 = 1,492.22 : x
  2. Step 2: Convert to fraction form
    2,611.52/3,603.98 = 1,492.22/x
  3. Step 3: Cross multiply
    2,611.52x = 3,603.98 × 1,492.22
  4. Step 4: Simplify right side
    2,611.52x = 5,377,905.55
  5. Step 5: Solve for x
    x = 5,377,905.55/2,611.52
  6. Step 6: Final answer
    x = 2,059.30

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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.