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Finding the Fourth Proportional to 27,374.70, 41,058.48 and 8,656.62

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Solution

The fourth proportional to 27,374.70, 41,058.48 and 8,656.62 is: 12,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,374.70 : 41,058.48 = 8,656.62 : x
  2. Step 2: Convert to fraction form
    27,374.70/41,058.48 = 8,656.62/x
  3. Step 3: Cross multiply
    27,374.70x = 41,058.48 × 8,656.62
  4. Step 4: Simplify right side
    27,374.70x = 355,427,659.14
  5. Step 5: Solve for x
    x = 355,427,659.14/27,374.70
  6. Step 6: Final answer
    x = 12,983.80

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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.