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Finding the Fourth Proportional to 4,961.39, 7,447.53 and 2,883.74

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Solution

The fourth proportional to 4,961.39, 7,447.53 and 2,883.74 is: 4,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.39 : 7,447.53 = 2,883.74 : x
  2. Step 2: Convert to fraction form
    4,961.39/7,447.53 = 2,883.74/x
  3. Step 3: Cross multiply
    4,961.39x = 7,447.53 × 2,883.74
  4. Step 4: Simplify right side
    4,961.39x = 21,476,702.92
  5. Step 5: Solve for x
    x = 21,476,702.92/4,961.39
  6. Step 6: Final answer
    x = 4,328.77

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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.