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Finding the Fourth Proportional to 8,333,744.80, 12,481,954.80 and 4,974,512.80

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Solution

The fourth proportional to 8,333,744.80, 12,481,954.80 and 4,974,512.80 is: 7,450,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,744.80 : 12,481,954.80 = 4,974,512.80 : x
  2. Step 2: Convert to fraction form
    8,333,744.80/12,481,954.80 = 4,974,512.80/x
  3. Step 3: Cross multiply
    8,333,744.80x = 12,481,954.80 × 4,974,512.80
  4. Step 4: Simplify right side
    8,333,744.80x = 62,091,643,921,621.44
  5. Step 5: Solve for x
    x = 62,091,643,921,621.44/8,333,744.80
  6. Step 6: Final answer
    x = 7,450,629.39

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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.