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Finding the Fourth Proportional to 4,887.73, 7,331.60 and 4,019.41

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Solution

The fourth proportional to 4,887.73, 7,331.60 and 4,019.41 is: 6,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.73 : 7,331.60 = 4,019.41 : x
  2. Step 2: Convert to fraction form
    4,887.73/7,331.60 = 4,019.41/x
  3. Step 3: Cross multiply
    4,887.73x = 7,331.60 × 4,019.41
  4. Step 4: Simplify right side
    4,887.73x = 29,468,706.36
  5. Step 5: Solve for x
    x = 29,468,706.36/4,887.73
  6. Step 6: Final answer
    x = 6,029.12

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Why These Related Problems?

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