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Finding the Fourth Proportional to 33,986.40, 50,881.08 and 22,127.40

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Solution

The fourth proportional to 33,986.40, 50,881.08 and 22,127.40 is: 33,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,986.40 : 50,881.08 = 22,127.40 : x
  2. Step 2: Convert to fraction form
    33,986.40/50,881.08 = 22,127.40/x
  3. Step 3: Cross multiply
    33,986.40x = 50,881.08 × 22,127.40
  4. Step 4: Simplify right side
    33,986.40x = 1,125,866,009.59
  5. Step 5: Solve for x
    x = 1,125,866,009.59/33,986.40
  6. Step 6: Final answer
    x = 33,126.96

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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.