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Finding the Fourth Proportional to 18,580.58, 27,853.80 and 8,043.99

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Solution

The fourth proportional to 18,580.58, 27,853.80 and 8,043.99 is: 12,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.58 : 27,853.80 = 8,043.99 : x
  2. Step 2: Convert to fraction form
    18,580.58/27,853.80 = 8,043.99/x
  3. Step 3: Cross multiply
    18,580.58x = 27,853.80 × 8,043.99
  4. Step 4: Simplify right side
    18,580.58x = 224,055,688.66
  5. Step 5: Solve for x
    x = 224,055,688.66/18,580.58
  6. Step 6: Final answer
    x = 12,058.60

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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.