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Finding the Fourth Proportional to 3,383, 5,074.76 and 1,074.52

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Solution

The fourth proportional to 3,383, 5,074.76 and 1,074.52 is: 1,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383 : 5,074.76 = 1,074.52 : x
  2. Step 2: Convert to fraction form
    3,383/5,074.76 = 1,074.52/x
  3. Step 3: Cross multiply
    3,383x = 5,074.76 × 1,074.52
  4. Step 4: Simplify right side
    3,383x = 5,452,931.12
  5. Step 5: Solve for x
    x = 5,452,931.12/3,383
  6. Step 6: Final answer
    x = 1,611.86

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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.