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Finding the Fourth Proportional to 41,940.74, 57,877.74 and 22,821.08

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Solution

The fourth proportional to 41,940.74, 57,877.74 and 22,821.08 is: 31,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,940.74 : 57,877.74 = 22,821.08 : x
  2. Step 2: Convert to fraction form
    41,940.74/57,877.74 = 22,821.08/x
  3. Step 3: Cross multiply
    41,940.74x = 57,877.74 × 22,821.08
  4. Step 4: Simplify right side
    41,940.74x = 1,320,832,534.76
  5. Step 5: Solve for x
    x = 1,320,832,534.76/41,940.74
  6. Step 6: Final answer
    x = 31,492.83

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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.