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Finding the Fourth Proportional to 49,321.92, 68,057.64 and 29,179.92

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Solution

The fourth proportional to 49,321.92, 68,057.64 and 29,179.92 is: 40,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,321.92 : 68,057.64 = 29,179.92 : x
  2. Step 2: Convert to fraction form
    49,321.92/68,057.64 = 29,179.92/x
  3. Step 3: Cross multiply
    49,321.92x = 68,057.64 × 29,179.92
  4. Step 4: Simplify right side
    49,321.92x = 1,985,916,490.59
  5. Step 5: Solve for x
    x = 1,985,916,490.59/49,321.92
  6. Step 6: Final answer
    x = 40,264.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.