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Finding the Fourth Proportional to 22,259.80, 33,335.70 and 11,848.60

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Solution

The fourth proportional to 22,259.80, 33,335.70 and 11,848.60 is: 17,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.80 : 33,335.70 = 11,848.60 : x
  2. Step 2: Convert to fraction form
    22,259.80/33,335.70 = 11,848.60/x
  3. Step 3: Cross multiply
    22,259.80x = 33,335.70 × 11,848.60
  4. Step 4: Simplify right side
    22,259.80x = 394,981,375.02
  5. Step 5: Solve for x
    x = 394,981,375.02/22,259.80
  6. Step 6: Final answer
    x = 17,744.16

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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.