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Finding the Fourth Proportional to 5,540,644.80, 8,303,968.80 and 2,694,628.80

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Solution

The fourth proportional to 5,540,644.80, 8,303,968.80 and 2,694,628.80 is: 4,038,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540,644.80 : 8,303,968.80 = 2,694,628.80 : x
  2. Step 2: Convert to fraction form
    5,540,644.80/8,303,968.80 = 2,694,628.80/x
  3. Step 3: Cross multiply
    5,540,644.80x = 8,303,968.80 × 2,694,628.80
  4. Step 4: Simplify right side
    5,540,644.80x = 22,376,113,482,781.44
  5. Step 5: Solve for x
    x = 22,376,113,482,781.44/5,540,644.80
  6. Step 6: Final answer
    x = 4,038,539.61

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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.