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Finding the Fourth Proportional to 53,553.73, 73,904.15 and 29,681.94

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Solution

The fourth proportional to 53,553.73, 73,904.15 and 29,681.94 is: 40,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.73 : 73,904.15 = 29,681.94 : x
  2. Step 2: Convert to fraction form
    53,553.73/73,904.15 = 29,681.94/x
  3. Step 3: Cross multiply
    53,553.73x = 73,904.15 × 29,681.94
  4. Step 4: Simplify right side
    53,553.73x = 2,193,618,471.85
  5. Step 5: Solve for x
    x = 2,193,618,471.85/53,553.73
  6. Step 6: Final answer
    x = 40,961.08

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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.