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Finding the Fourth Proportional to 18,244.17, 27,356.91 and 8,374.88

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Solution

The fourth proportional to 18,244.17, 27,356.91 and 8,374.88 is: 12,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.17 : 27,356.91 = 8,374.88 : x
  2. Step 2: Convert to fraction form
    18,244.17/27,356.91 = 8,374.88/x
  3. Step 3: Cross multiply
    18,244.17x = 27,356.91 × 8,374.88
  4. Step 4: Simplify right side
    18,244.17x = 229,110,701.64
  5. Step 5: Solve for x
    x = 229,110,701.64/18,244.17
  6. Step 6: Final answer
    x = 12,558.02

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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.