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Finding the Fourth Proportional to 52,868.73, 72,958.50 and 30,214.65

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Solution

The fourth proportional to 52,868.73, 72,958.50 and 30,214.65 is: 41,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,868.73 : 72,958.50 = 30,214.65 : x
  2. Step 2: Convert to fraction form
    52,868.73/72,958.50 = 30,214.65/x
  3. Step 3: Cross multiply
    52,868.73x = 72,958.50 × 30,214.65
  4. Step 4: Simplify right side
    52,868.73x = 2,204,415,542.03
  5. Step 5: Solve for x
    x = 2,204,415,542.03/52,868.73
  6. Step 6: Final answer
    x = 41,696.02

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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.