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Finding the Fourth Proportional to 8,334,028.80, 12,482,380.80 and 4,974,796.80

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Solution

The fourth proportional to 8,334,028.80, 12,482,380.80 and 4,974,796.80 is: 7,451,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,028.80 : 12,482,380.80 = 4,974,796.80 : x
  2. Step 2: Convert to fraction form
    8,334,028.80/12,482,380.80 = 4,974,796.80/x
  3. Step 3: Cross multiply
    8,334,028.80x = 12,482,380.80 × 4,974,796.80
  4. Step 4: Simplify right side
    8,334,028.80x = 62,097,308,060,221.44
  5. Step 5: Solve for x
    x = 62,097,308,060,221.44/8,334,028.80
  6. Step 6: Final answer
    x = 7,451,055.13

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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.