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Finding the Fourth Proportional to 57,539.52, 79,385.49 and 33,649.29

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Solution

The fourth proportional to 57,539.52, 79,385.49 and 33,649.29 is: 46,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,539.52 : 79,385.49 = 33,649.29 : x
  2. Step 2: Convert to fraction form
    57,539.52/79,385.49 = 33,649.29/x
  3. Step 3: Cross multiply
    57,539.52x = 79,385.49 × 33,649.29
  4. Step 4: Simplify right side
    57,539.52x = 2,671,265,374.80
  5. Step 5: Solve for x
    x = 2,671,265,374.80/57,539.52
  6. Step 6: Final answer
    x = 46,424.88

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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.