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Finding the Fourth Proportional to 44,509,969.80, 66,764,954.70 and 36,857,219.40

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Solution

The fourth proportional to 44,509,969.80, 66,764,954.70 and 36,857,219.40 is: 55,285,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,509,969.80 : 66,764,954.70 = 36,857,219.40 : x
  2. Step 2: Convert to fraction form
    44,509,969.80/66,764,954.70 = 36,857,219.40/x
  3. Step 3: Cross multiply
    44,509,969.80x = 66,764,954.70 × 36,857,219.40
  4. Step 4: Simplify right side
    44,509,969.80x = 2,460,770,583,608,961
  5. Step 5: Solve for x
    x = 2,460,770,583,608,961/44,509,969.80
  6. Step 6: Final answer
    x = 55,285,829.10

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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.