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Finding the Fourth Proportional to 35,120.32, 52,611 and 18,455.44

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Solution

The fourth proportional to 35,120.32, 52,611 and 18,455.44 is: 27,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.32 : 52,611 = 18,455.44 : x
  2. Step 2: Convert to fraction form
    35,120.32/52,611 = 18,455.44/x
  3. Step 3: Cross multiply
    35,120.32x = 52,611 × 18,455.44
  4. Step 4: Simplify right side
    35,120.32x = 970,959,153.84
  5. Step 5: Solve for x
    x = 970,959,153.84/35,120.32
  6. Step 6: Final answer
    x = 27,646.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.