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Finding the Fourth Proportional to 35,761.92, 53,640.96 and 11,136

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Solution

The fourth proportional to 35,761.92, 53,640.96 and 11,136 is: 16,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,761.92 : 53,640.96 = 11,136 : x
  2. Step 2: Convert to fraction form
    35,761.92/53,640.96 = 11,136/x
  3. Step 3: Cross multiply
    35,761.92x = 53,640.96 × 11,136
  4. Step 4: Simplify right side
    35,761.92x = 597,345,730.56
  5. Step 5: Solve for x
    x = 597,345,730.56/35,761.92
  6. Step 6: Final answer
    x = 16,703.40

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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.