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Finding the Fourth Proportional to 57,698.88, 79,625.88 and 32,550

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Solution

The fourth proportional to 57,698.88, 79,625.88 and 32,550 is: 44,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.88 : 79,625.88 = 32,550 : x
  2. Step 2: Convert to fraction form
    57,698.88/79,625.88 = 32,550/x
  3. Step 3: Cross multiply
    57,698.88x = 79,625.88 × 32,550
  4. Step 4: Simplify right side
    57,698.88x = 2,591,822,394
  5. Step 5: Solve for x
    x = 2,591,822,394/57,698.88
  6. Step 6: Final answer
    x = 44,919.80

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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.