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Finding the Fourth Proportional to 22,936,571.70, 34,404,857.55 and 20,459,310.90

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Solution

The fourth proportional to 22,936,571.70, 34,404,857.55 and 20,459,310.90 is: 30,688,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936,571.70 : 34,404,857.55 = 20,459,310.90 : x
  2. Step 2: Convert to fraction form
    22,936,571.70/34,404,857.55 = 20,459,310.90/x
  3. Step 3: Cross multiply
    22,936,571.70x = 34,404,857.55 × 20,459,310.90
  4. Step 4: Simplify right side
    22,936,571.70x = 703,899,677,085,662.12
  5. Step 5: Solve for x
    x = 703,899,677,085,662.12/22,936,571.70
  6. Step 6: Final answer
    x = 30,688,966.35

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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.