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Finding the Fourth Proportional to 52,679.76, 79,027.52 and 19,397.27

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Solution

The fourth proportional to 52,679.76, 79,027.52 and 19,397.27 is: 29,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.76 : 79,027.52 = 19,397.27 : x
  2. Step 2: Convert to fraction form
    52,679.76/79,027.52 = 19,397.27/x
  3. Step 3: Cross multiply
    52,679.76x = 79,027.52 × 19,397.27
  4. Step 4: Simplify right side
    52,679.76x = 1,532,917,650.75
  5. Step 5: Solve for x
    x = 1,532,917,650.75/52,679.76
  6. Step 6: Final answer
    x = 29,098.80

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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.