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Finding the Fourth Proportional to 48,899.86, 67,481.88 and 26,543.86

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Solution

The fourth proportional to 48,899.86, 67,481.88 and 26,543.86 is: 36,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,899.86 : 67,481.88 = 26,543.86 : x
  2. Step 2: Convert to fraction form
    48,899.86/67,481.88 = 26,543.86/x
  3. Step 3: Cross multiply
    48,899.86x = 67,481.88 × 26,543.86
  4. Step 4: Simplify right side
    48,899.86x = 1,791,229,575.26
  5. Step 5: Solve for x
    x = 1,791,229,575.26/48,899.86
  6. Step 6: Final answer
    x = 36,630.57

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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.