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Finding the Fourth Proportional to 49,869.63, 74,706.03 and 37,403.73

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Solution

The fourth proportional to 49,869.63, 74,706.03 and 37,403.73 is: 56,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.63 : 74,706.03 = 37,403.73 : x
  2. Step 2: Convert to fraction form
    49,869.63/74,706.03 = 37,403.73/x
  3. Step 3: Cross multiply
    49,869.63x = 74,706.03 × 37,403.73
  4. Step 4: Simplify right side
    49,869.63x = 2,794,284,175.49
  5. Step 5: Solve for x
    x = 2,794,284,175.49/49,869.63
  6. Step 6: Final answer
    x = 56,031.78

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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.