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Finding the Fourth Proportional to 3,669,856.43, 5,504,784.64 and 3,669,856.43

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Solution

The fourth proportional to 3,669,856.43, 5,504,784.64 and 3,669,856.43 is: 5,504,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,856.43 : 5,504,784.64 = 3,669,856.43 : x
  2. Step 2: Convert to fraction form
    3,669,856.43/5,504,784.64 = 3,669,856.43/x
  3. Step 3: Cross multiply
    3,669,856.43x = 5,504,784.64 × 3,669,856.43
  4. Step 4: Simplify right side
    3,669,856.43x = 20,201,769,270,170.67
  5. Step 5: Solve for x
    x = 20,201,769,270,170.67/3,669,856.43
  6. Step 6: Final answer
    x = 5,504,784.64

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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.