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Finding the Fourth Proportional to 61,264.80, 91,951.20 and 36,273.60

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Solution

The fourth proportional to 61,264.80, 91,951.20 and 36,273.60 is: 54,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264.80 : 91,951.20 = 36,273.60 : x
  2. Step 2: Convert to fraction form
    61,264.80/91,951.20 = 36,273.60/x
  3. Step 3: Cross multiply
    61,264.80x = 91,951.20 × 36,273.60
  4. Step 4: Simplify right side
    61,264.80x = 3,335,401,048.32
  5. Step 5: Solve for x
    x = 3,335,401,048.32/61,264.80
  6. Step 6: Final answer
    x = 54,442.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.