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Finding the Fourth Proportional to 3,669,346.65, 5,504,019.98 and 3,616,202.55

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Solution

The fourth proportional to 3,669,346.65, 5,504,019.98 and 3,616,202.55 is: 5,424,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,346.65 : 5,504,019.98 = 3,616,202.55 : x
  2. Step 2: Convert to fraction form
    3,669,346.65/5,504,019.98 = 3,616,202.55/x
  3. Step 3: Cross multiply
    3,669,346.65x = 5,504,019.98 × 3,616,202.55
  4. Step 4: Simplify right side
    3,669,346.65x = 19,903,651,068,845.93
  5. Step 5: Solve for x
    x = 19,903,651,068,845.93/3,669,346.65
  6. Step 6: Final answer
    x = 5,424,303.83

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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.