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Finding the Fourth Proportional to 53,364.13, 73,636.22 and 29,489.38

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Solution

The fourth proportional to 53,364.13, 73,636.22 and 29,489.38 is: 40,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.13 : 73,636.22 = 29,489.38 : x
  2. Step 2: Convert to fraction form
    53,364.13/73,636.22 = 29,489.38/x
  3. Step 3: Cross multiply
    53,364.13x = 73,636.22 × 29,489.38
  4. Step 4: Simplify right side
    53,364.13x = 2,171,485,957.72
  5. Step 5: Solve for x
    x = 2,171,485,957.72/53,364.13
  6. Step 6: Final answer
    x = 40,691.87

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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.