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Finding the Fourth Proportional to 61,551, 84,940.38 and 35,055

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Solution

The fourth proportional to 61,551, 84,940.38 and 35,055 is: 48,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,551 : 84,940.38 = 35,055 : x
  2. Step 2: Convert to fraction form
    61,551/84,940.38 = 35,055/x
  3. Step 3: Cross multiply
    61,551x = 84,940.38 × 35,055
  4. Step 4: Simplify right side
    61,551x = 2,977,585,020.90
  5. Step 5: Solve for x
    x = 2,977,585,020.90/61,551
  6. Step 6: Final answer
    x = 48,375.90

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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.