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Finding the Fourth Proportional to 57,910.79, 86,878.94 and 32,962.59

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Solution

The fourth proportional to 57,910.79, 86,878.94 and 32,962.59 is: 49,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.79 : 86,878.94 = 32,962.59 : x
  2. Step 2: Convert to fraction form
    57,910.79/86,878.94 = 32,962.59/x
  3. Step 3: Cross multiply
    57,910.79x = 86,878.94 × 32,962.59
  4. Step 4: Simplify right side
    57,910.79x = 2,863,754,878.85
  5. Step 5: Solve for x
    x = 2,863,754,878.85/57,910.79
  6. Step 6: Final answer
    x = 49,451.15

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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.