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Finding the Fourth Proportional to 27,091.35, 40,637.09 and 7,369.95

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Solution

The fourth proportional to 27,091.35, 40,637.09 and 7,369.95 is: 11,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.35 : 40,637.09 = 7,369.95 : x
  2. Step 2: Convert to fraction form
    27,091.35/40,637.09 = 7,369.95/x
  3. Step 3: Cross multiply
    27,091.35x = 40,637.09 × 7,369.95
  4. Step 4: Simplify right side
    27,091.35x = 299,493,284.60
  5. Step 5: Solve for x
    x = 299,493,284.60/27,091.35
  6. Step 6: Final answer
    x = 11,054.94

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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.