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Finding the Fourth Proportional to 57,587.58, 79,473.56 and 33,721.94

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Solution

The fourth proportional to 57,587.58, 79,473.56 and 33,721.94 is: 46,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,587.58 : 79,473.56 = 33,721.94 : x
  2. Step 2: Convert to fraction form
    57,587.58/79,473.56 = 33,721.94/x
  3. Step 3: Cross multiply
    57,587.58x = 79,473.56 × 33,721.94
  4. Step 4: Simplify right side
    57,587.58x = 2,680,002,621.91
  5. Step 5: Solve for x
    x = 2,680,002,621.91/57,587.58
  6. Step 6: Final answer
    x = 46,537.86

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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.