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Finding the Fourth Proportional to 33,664,471.20, 50,478,044.40 and 13,446,871.20

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Solution

The fourth proportional to 33,664,471.20, 50,478,044.40 and 13,446,871.20 is: 20,162,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,664,471.20 : 50,478,044.40 = 13,446,871.20 : x
  2. Step 2: Convert to fraction form
    33,664,471.20/50,478,044.40 = 13,446,871.20/x
  3. Step 3: Cross multiply
    33,664,471.20x = 50,478,044.40 × 13,446,871.20
  4. Step 4: Simplify right side
    33,664,471.20x = 678,771,761,474,681.25
  5. Step 5: Solve for x
    x = 678,771,761,474,681.25/33,664,471.20
  6. Step 6: Final answer
    x = 20,162,852.33

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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.