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Finding the Fourth Proportional to 52,965.65, 73,091.67 and 29,091.71

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Solution

The fourth proportional to 52,965.65, 73,091.67 and 29,091.71 is: 40,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,965.65 : 73,091.67 = 29,091.71 : x
  2. Step 2: Convert to fraction form
    52,965.65/73,091.67 = 29,091.71/x
  3. Step 3: Cross multiply
    52,965.65x = 73,091.67 × 29,091.71
  4. Step 4: Simplify right side
    52,965.65x = 2,126,361,301.60
  5. Step 5: Solve for x
    x = 2,126,361,301.60/52,965.65
  6. Step 6: Final answer
    x = 40,146.05

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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.