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Finding the Fourth Proportional to 53,560.73, 73,918.18 and 29,694.49

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Solution

The fourth proportional to 53,560.73, 73,918.18 and 29,694.49 is: 40,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,560.73 : 73,918.18 = 29,694.49 : x
  2. Step 2: Convert to fraction form
    53,560.73/73,918.18 = 29,694.49/x
  3. Step 3: Cross multiply
    53,560.73x = 73,918.18 × 29,694.49
  4. Step 4: Simplify right side
    53,560.73x = 2,194,962,656.83
  5. Step 5: Solve for x
    x = 2,194,962,656.83/53,560.73
  6. Step 6: Final answer
    x = 40,980.82

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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.