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Finding the Fourth Proportional to 18,427.91, 27,615.43 and 10,514.00

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Solution

The fourth proportional to 18,427.91, 27,615.43 and 10,514.00 is: 15,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.91 : 27,615.43 = 10,514.00 : x
  2. Step 2: Convert to fraction form
    18,427.91/27,615.43 = 10,514.00/x
  3. Step 3: Cross multiply
    18,427.91x = 27,615.43 × 10,514.00
  4. Step 4: Simplify right side
    18,427.91x = 290,348,713.20
  5. Step 5: Solve for x
    x = 290,348,713.20/18,427.91
  6. Step 6: Final answer
    x = 15,755.93

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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.