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Finding the Fourth Proportional to 40,495.92, 60,745.29 and 10,914.48

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Solution

The fourth proportional to 40,495.92, 60,745.29 and 10,914.48 is: 16,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.92 : 60,745.29 = 10,914.48 : x
  2. Step 2: Convert to fraction form
    40,495.92/60,745.29 = 10,914.48/x
  3. Step 3: Cross multiply
    40,495.92x = 60,745.29 × 10,914.48
  4. Step 4: Simplify right side
    40,495.92x = 663,003,252.80
  5. Step 5: Solve for x
    x = 663,003,252.80/40,495.92
  6. Step 6: Final answer
    x = 16,372.10

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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.