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Finding the Fourth Proportional to 53,355.08, 80,046.80 and 44,422

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Solution

The fourth proportional to 53,355.08, 80,046.80 and 44,422 is: 66,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.08 : 80,046.80 = 44,422 : x
  2. Step 2: Convert to fraction form
    53,355.08/80,046.80 = 44,422/x
  3. Step 3: Cross multiply
    53,355.08x = 80,046.80 × 44,422
  4. Step 4: Simplify right side
    53,355.08x = 3,555,838,949.60
  5. Step 5: Solve for x
    x = 3,555,838,949.60/53,355.08
  6. Step 6: Final answer
    x = 66,644.81

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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.