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Finding the Fourth Proportional to 52,956.86, 79,453.49 and 33,212.30

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Solution

The fourth proportional to 52,956.86, 79,453.49 and 33,212.30 is: 49,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,956.86 : 79,453.49 = 33,212.30 : x
  2. Step 2: Convert to fraction form
    52,956.86/79,453.49 = 33,212.30/x
  3. Step 3: Cross multiply
    52,956.86x = 79,453.49 × 33,212.30
  4. Step 4: Simplify right side
    52,956.86x = 2,638,832,582.60
  5. Step 5: Solve for x
    x = 2,638,832,582.60/52,956.86
  6. Step 6: Final answer
    x = 49,829.86

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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.