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Finding the Fourth Proportional to 3,863,710.80, 5,796,343.80 and 3,236,965.20

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Solution

The fourth proportional to 3,863,710.80, 5,796,343.80 and 3,236,965.20 is: 4,856,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,710.80 : 5,796,343.80 = 3,236,965.20 : x
  2. Step 2: Convert to fraction form
    3,863,710.80/5,796,343.80 = 3,236,965.20/x
  3. Step 3: Cross multiply
    3,863,710.80x = 5,796,343.80 × 3,236,965.20
  4. Step 4: Simplify right side
    3,863,710.80x = 18,762,563,167,835.76
  5. Step 5: Solve for x
    x = 18,762,563,167,835.76/3,863,710.80
  6. Step 6: Final answer
    x = 4,856,099.26

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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.