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Finding the Fourth Proportional to 57,671.58, 79,581.15 and 33,468.78

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Solution

The fourth proportional to 57,671.58, 79,581.15 and 33,468.78 is: 46,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.58 : 79,581.15 = 33,468.78 : x
  2. Step 2: Convert to fraction form
    57,671.58/79,581.15 = 33,468.78/x
  3. Step 3: Cross multiply
    57,671.58x = 79,581.15 × 33,468.78
  4. Step 4: Simplify right side
    57,671.58x = 2,663,484,001.50
  5. Step 5: Solve for x
    x = 2,663,484,001.50/57,671.58
  6. Step 6: Final answer
    x = 46,183.65

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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.