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Finding the Fourth Proportional to 34,873.86, 48,124.90 and 19,767.91

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Solution

The fourth proportional to 34,873.86, 48,124.90 and 19,767.91 is: 27,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,873.86 : 48,124.90 = 19,767.91 : x
  2. Step 2: Convert to fraction form
    34,873.86/48,124.90 = 19,767.91/x
  3. Step 3: Cross multiply
    34,873.86x = 48,124.90 × 19,767.91
  4. Step 4: Simplify right side
    34,873.86x = 951,328,691.96
  5. Step 5: Solve for x
    x = 951,328,691.96/34,873.86
  6. Step 6: Final answer
    x = 27,279.13

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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.