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Finding the Fourth Proportional to 22,395,969.60, 33,593,954.40 and 22,022,721.60

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Solution

The fourth proportional to 22,395,969.60, 33,593,954.40 and 22,022,721.60 is: 33,034,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395,969.60 : 33,593,954.40 = 22,022,721.60 : x
  2. Step 2: Convert to fraction form
    22,395,969.60/33,593,954.40 = 22,022,721.60/x
  3. Step 3: Cross multiply
    22,395,969.60x = 33,593,954.40 × 22,022,721.60
  4. Step 4: Simplify right side
    22,395,969.60x = 739,830,305,194,295
  5. Step 5: Solve for x
    x = 739,830,305,194,295/22,395,969.60
  6. Step 6: Final answer
    x = 33,034,082.40

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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.