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Finding the Fourth Proportional to 69,636.21, 104,493.13 and 37,614.63

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Solution

The fourth proportional to 69,636.21, 104,493.13 and 37,614.63 is: 56,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,636.21 : 104,493.13 = 37,614.63 : x
  2. Step 2: Convert to fraction form
    69,636.21/104,493.13 = 37,614.63/x
  3. Step 3: Cross multiply
    69,636.21x = 104,493.13 × 37,614.63
  4. Step 4: Simplify right side
    69,636.21x = 3,930,470,422.49
  5. Step 5: Solve for x
    x = 3,930,470,422.49/69,636.21
  6. Step 6: Final answer
    x = 56,442.91

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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.