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Finding the Fourth Proportional to 5,387,300.80, 8,084,887.80 and 3,792,977.80

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Solution

The fourth proportional to 5,387,300.80, 8,084,887.80 and 3,792,977.80 is: 5,692,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,300.80 : 8,084,887.80 = 3,792,977.80 : x
  2. Step 2: Convert to fraction form
    5,387,300.80/8,084,887.80 = 3,792,977.80/x
  3. Step 3: Cross multiply
    5,387,300.80x = 8,084,887.80 × 3,792,977.80
  4. Step 4: Simplify right side
    5,387,300.80x = 30,665,799,940,890.84
  5. Step 5: Solve for x
    x = 30,665,799,940,890.84/5,387,300.80
  6. Step 6: Final answer
    x = 5,692,238.30

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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.