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Finding the Fourth Proportional to 6,387,994.80, 9,584,713.80 and 3,357,687.60

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Solution

The fourth proportional to 6,387,994.80, 9,584,713.80 and 3,357,687.60 is: 5,037,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,994.80 : 9,584,713.80 = 3,357,687.60 : x
  2. Step 2: Convert to fraction form
    6,387,994.80/9,584,713.80 = 3,357,687.60/x
  3. Step 3: Cross multiply
    6,387,994.80x = 9,584,713.80 × 3,357,687.60
  4. Step 4: Simplify right side
    6,387,994.80x = 32,182,474,675,808.88
  5. Step 5: Solve for x
    x = 32,182,474,675,808.88/6,387,994.80
  6. Step 6: Final answer
    x = 5,037,961.94

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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.