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Finding the Fourth Proportional to 71,058.42, 98,060.73 and 38,793.30

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Solution

The fourth proportional to 71,058.42, 98,060.73 and 38,793.30 is: 53,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058.42 : 98,060.73 = 38,793.30 : x
  2. Step 2: Convert to fraction form
    71,058.42/98,060.73 = 38,793.30/x
  3. Step 3: Cross multiply
    71,058.42x = 98,060.73 × 38,793.30
  4. Step 4: Simplify right side
    71,058.42x = 3,804,099,317.11
  5. Step 5: Solve for x
    x = 3,804,099,317.11/71,058.42
  6. Step 6: Final answer
    x = 53,534.81

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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.