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Finding the Fourth Proportional to 74,448.44, 111,657.54 and 21,843.80

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Solution

The fourth proportional to 74,448.44, 111,657.54 and 21,843.80 is: 32,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448.44 : 111,657.54 = 21,843.80 : x
  2. Step 2: Convert to fraction form
    74,448.44/111,657.54 = 21,843.80/x
  3. Step 3: Cross multiply
    74,448.44x = 111,657.54 × 21,843.80
  4. Step 4: Simplify right side
    74,448.44x = 2,439,024,972.25
  5. Step 5: Solve for x
    x = 2,439,024,972.25/74,448.44
  6. Step 6: Final answer
    x = 32,761.26

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1.5x scale

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.