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Finding the Fourth Proportional to 37,366,978.20, 56,050,467.30 and 21,998,491.80

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Solution

The fourth proportional to 37,366,978.20, 56,050,467.30 and 21,998,491.80 is: 32,997,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,366,978.20 : 56,050,467.30 = 21,998,491.80 : x
  2. Step 2: Convert to fraction form
    37,366,978.20/56,050,467.30 = 21,998,491.80/x
  3. Step 3: Cross multiply
    37,366,978.20x = 56,050,467.30 × 21,998,491.80
  4. Step 4: Simplify right side
    37,366,978.20x = 1,233,025,745,285,218
  5. Step 5: Solve for x
    x = 1,233,025,745,285,218/37,366,978.20
  6. Step 6: Final answer
    x = 32,997,737.70

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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.