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Finding the Fourth Proportional to 8,469,323.85, 12,696,844.29 and 3,673,401.12

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Solution

The fourth proportional to 8,469,323.85, 12,696,844.29 and 3,673,401.12 is: 5,507,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469,323.85 : 12,696,844.29 = 3,673,401.12 : x
  2. Step 2: Convert to fraction form
    8,469,323.85/12,696,844.29 = 3,673,401.12/x
  3. Step 3: Cross multiply
    8,469,323.85x = 12,696,844.29 × 3,673,401.12
  4. Step 4: Simplify right side
    8,469,323.85x = 46,640,602,035,351.60
  5. Step 5: Solve for x
    x = 46,640,602,035,351.60/8,469,323.85
  6. Step 6: Final answer
    x = 5,507,004.20

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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.