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Finding the Fourth Proportional to 5,653,619.68, 8,481,375.40 and 4,439,147.30

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Solution

The fourth proportional to 5,653,619.68, 8,481,375.40 and 4,439,147.30 is: 6,659,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653,619.68 : 8,481,375.40 = 4,439,147.30 : x
  2. Step 2: Convert to fraction form
    5,653,619.68/8,481,375.40 = 4,439,147.30/x
  3. Step 3: Cross multiply
    5,653,619.68x = 8,481,375.40 × 4,439,147.30
  4. Step 4: Simplify right side
    5,653,619.68x = 37,650,074,707,196.42
  5. Step 5: Solve for x
    x = 37,650,074,707,196.42/5,653,619.68
  6. Step 6: Final answer
    x = 6,659,463.64

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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.