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Finding the Fourth Proportional to 57,841.78, 79,830.22 and 36,623.02

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Solution

The fourth proportional to 57,841.78, 79,830.22 and 36,623.02 is: 50,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,841.78 : 79,830.22 = 36,623.02 : x
  2. Step 2: Convert to fraction form
    57,841.78/79,830.22 = 36,623.02/x
  3. Step 3: Cross multiply
    57,841.78x = 79,830.22 × 36,623.02
  4. Step 4: Simplify right side
    57,841.78x = 2,923,623,743.66
  5. Step 5: Solve for x
    x = 2,923,623,743.66/57,841.78
  6. Step 6: Final answer
    x = 50,545.19

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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.