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Finding the Fourth Proportional to 57,891.67, 79,894.20 and 32,400.97

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Solution

The fourth proportional to 57,891.67, 79,894.20 and 32,400.97 is: 44,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891.67 : 79,894.20 = 32,400.97 : x
  2. Step 2: Convert to fraction form
    57,891.67/79,894.20 = 32,400.97/x
  3. Step 3: Cross multiply
    57,891.67x = 79,894.20 × 32,400.97
  4. Step 4: Simplify right side
    57,891.67x = 2,588,649,577.37
  5. Step 5: Solve for x
    x = 2,588,649,577.37/57,891.67
  6. Step 6: Final answer
    x = 44,715.41

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1.5x scale

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.