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Finding the Fourth Proportional to 29,581,475.40, 44,372,213.10 and 20,026,326.60

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Solution

The fourth proportional to 29,581,475.40, 44,372,213.10 and 20,026,326.60 is: 30,039,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581,475.40 : 44,372,213.10 = 20,026,326.60 : x
  2. Step 2: Convert to fraction form
    29,581,475.40/44,372,213.10 = 20,026,326.60/x
  3. Step 3: Cross multiply
    29,581,475.40x = 44,372,213.10 × 20,026,326.60
  4. Step 4: Simplify right side
    29,581,475.40x = 888,612,431,505,398.50
  5. Step 5: Solve for x
    x = 888,612,431,505,398.50/29,581,475.40
  6. Step 6: Final answer
    x = 30,039,489.90

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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.