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Finding the Fourth Proportional to 44,179.79, 61,004.89 and 40,974.42

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Solution

The fourth proportional to 44,179.79, 61,004.89 and 40,974.42 is: 56,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,179.79 : 61,004.89 = 40,974.42 : x
  2. Step 2: Convert to fraction form
    44,179.79/61,004.89 = 40,974.42/x
  3. Step 3: Cross multiply
    44,179.79x = 61,004.89 × 40,974.42
  4. Step 4: Simplify right side
    44,179.79x = 2,499,639,984.91
  5. Step 5: Solve for x
    x = 2,499,639,984.91/44,179.79
  6. Step 6: Final answer
    x = 56,578.81

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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.