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Finding the Fourth Proportional to 27,441, 37,870.20 and 15,504.03

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Solution

The fourth proportional to 27,441, 37,870.20 and 15,504.03 is: 21,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,441 : 37,870.20 = 15,504.03 : x
  2. Step 2: Convert to fraction form
    27,441/37,870.20 = 15,504.03/x
  3. Step 3: Cross multiply
    27,441x = 37,870.20 × 15,504.03
  4. Step 4: Simplify right side
    27,441x = 587,140,716.91
  5. Step 5: Solve for x
    x = 587,140,716.91/27,441
  6. Step 6: Final answer
    x = 21,396.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.