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Finding the Fourth Proportional to 3,669,939.68, 5,504,909.51 and 3,669,939.68

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Solution

The fourth proportional to 3,669,939.68, 5,504,909.51 and 3,669,939.68 is: 5,504,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,939.68 : 5,504,909.51 = 3,669,939.68 : x
  2. Step 2: Convert to fraction form
    3,669,939.68/5,504,909.51 = 3,669,939.68/x
  3. Step 3: Cross multiply
    3,669,939.68x = 5,504,909.51 × 3,669,939.68
  4. Step 4: Simplify right side
    3,669,939.68x = 20,202,685,827,208.66
  5. Step 5: Solve for x
    x = 20,202,685,827,208.66/3,669,939.68
  6. Step 6: Final answer
    x = 5,504,909.51

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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.