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Finding the Fourth Proportional to 52,921.74, 73,019.44 and 29,951.87

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Solution

The fourth proportional to 52,921.74, 73,019.44 and 29,951.87 is: 41,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921.74 : 73,019.44 = 29,951.87 : x
  2. Step 2: Convert to fraction form
    52,921.74/73,019.44 = 29,951.87/x
  3. Step 3: Cross multiply
    52,921.74x = 73,019.44 × 29,951.87
  4. Step 4: Simplify right side
    52,921.74x = 2,187,068,624.59
  5. Step 5: Solve for x
    x = 2,187,068,624.59/52,921.74
  6. Step 6: Final answer
    x = 41,326.47

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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.