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Finding the Fourth Proportional to 3,765,773.05, 5,649,411.25 and 1,969,465.21

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Solution

The fourth proportional to 3,765,773.05, 5,649,411.25 and 1,969,465.21 is: 2,954,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,773.05 : 5,649,411.25 = 1,969,465.21 : x
  2. Step 2: Convert to fraction form
    3,765,773.05/5,649,411.25 = 1,969,465.21/x
  3. Step 3: Cross multiply
    3,765,773.05x = 5,649,411.25 × 1,969,465.21
  4. Step 4: Simplify right side
    3,765,773.05x = 11,126,318,902,195.92
  5. Step 5: Solve for x
    x = 11,126,318,902,195.92/3,765,773.05
  6. Step 6: Final answer
    x = 2,954,590.93

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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.