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Finding the Fourth Proportional to 27,755.98, 41,634.36 and 9,036.12

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Solution

The fourth proportional to 27,755.98, 41,634.36 and 9,036.12 is: 13,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.98 : 41,634.36 = 9,036.12 : x
  2. Step 2: Convert to fraction form
    27,755.98/41,634.36 = 9,036.12/x
  3. Step 3: Cross multiply
    27,755.98x = 41,634.36 × 9,036.12
  4. Step 4: Simplify right side
    27,755.98x = 376,213,073.08
  5. Step 5: Solve for x
    x = 376,213,073.08/27,755.98
  6. Step 6: Final answer
    x = 13,554.31

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1.5x scale

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.