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Finding the Fourth Proportional to 67,040.36, 100,560 and 27,058.72

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Solution

The fourth proportional to 67,040.36, 100,560 and 27,058.72 is: 40,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.36 : 100,560 = 27,058.72 : x
  2. Step 2: Convert to fraction form
    67,040.36/100,560 = 27,058.72/x
  3. Step 3: Cross multiply
    67,040.36x = 100,560 × 27,058.72
  4. Step 4: Simplify right side
    67,040.36x = 2,721,024,883.20
  5. Step 5: Solve for x
    x = 2,721,024,883.20/67,040.36
  6. Step 6: Final answer
    x = 40,587.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.