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Finding the Fourth Proportional to 22,017,928.20, 33,026,892.30 and 20,033,881.80

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Solution

The fourth proportional to 22,017,928.20, 33,026,892.30 and 20,033,881.80 is: 30,050,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017,928.20 : 33,026,892.30 = 20,033,881.80 : x
  2. Step 2: Convert to fraction form
    22,017,928.20/33,026,892.30 = 20,033,881.80/x
  3. Step 3: Cross multiply
    22,017,928.20x = 33,026,892.30 × 20,033,881.80
  4. Step 4: Simplify right side
    22,017,928.20x = 661,656,856,559,530.12
  5. Step 5: Solve for x
    x = 661,656,856,559,530.12/22,017,928.20
  6. Step 6: Final answer
    x = 30,050,822.70

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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.