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Finding the Fourth Proportional to 48,890.86, 67,469.41 and 26,534.86

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Solution

The fourth proportional to 48,890.86, 67,469.41 and 26,534.86 is: 36,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,890.86 : 67,469.41 = 26,534.86 : x
  2. Step 2: Convert to fraction form
    48,890.86/67,469.41 = 26,534.86/x
  3. Step 3: Cross multiply
    48,890.86x = 67,469.41 × 26,534.86
  4. Step 4: Simplify right side
    48,890.86x = 1,790,291,348.63
  5. Step 5: Solve for x
    x = 1,790,291,348.63/48,890.86
  6. Step 6: Final answer
    x = 36,618.12

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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.