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Finding the Fourth Proportional to 35,263,876.80, 52,816,099.04 and 20,914,969.80

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Solution

The fourth proportional to 35,263,876.80, 52,816,099.04 and 20,914,969.80 is: 31,325,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,263,876.80 : 52,816,099.04 = 20,914,969.80 : x
  2. Step 2: Convert to fraction form
    35,263,876.80/52,816,099.04 = 20,914,969.80/x
  3. Step 3: Cross multiply
    35,263,876.80x = 52,816,099.04 × 20,914,969.80
  4. Step 4: Simplify right side
    35,263,876.80x = 1,104,647,116,375,409
  5. Step 5: Solve for x
    x = 1,104,647,116,375,409/35,263,876.80
  6. Step 6: Final answer
    x = 31,325,175.13

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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.