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Finding the Fourth Proportional to 36,893.40, 50,898.42 and 22,721.64

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Solution

The fourth proportional to 36,893.40, 50,898.42 and 22,721.64 is: 31,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.40 : 50,898.42 = 22,721.64 : x
  2. Step 2: Convert to fraction form
    36,893.40/50,898.42 = 22,721.64/x
  3. Step 3: Cross multiply
    36,893.40x = 50,898.42 × 22,721.64
  4. Step 4: Simplify right side
    36,893.40x = 1,156,495,575.81
  5. Step 5: Solve for x
    x = 1,156,495,575.81/36,893.40
  6. Step 6: Final answer
    x = 31,346.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.