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Finding the Fourth Proportional to 3,869,136.60, 5,803,704.90 and 3,497,127.90

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Solution

The fourth proportional to 3,869,136.60, 5,803,704.90 and 3,497,127.90 is: 5,245,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,136.60 : 5,803,704.90 = 3,497,127.90 : x
  2. Step 2: Convert to fraction form
    3,869,136.60/5,803,704.90 = 3,497,127.90/x
  3. Step 3: Cross multiply
    3,869,136.60x = 5,803,704.90 × 3,497,127.90
  4. Step 4: Simplify right side
    3,869,136.60x = 20,296,298,329,156.71
  5. Step 5: Solve for x
    x = 20,296,298,329,156.71/3,869,136.60
  6. Step 6: Final answer
    x = 5,245,691.85

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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.