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Finding the Fourth Proportional to 27,368.97, 37,769.03 and 15,432.41

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Solution

The fourth proportional to 27,368.97, 37,769.03 and 15,432.41 is: 21,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.97 : 37,769.03 = 15,432.41 : x
  2. Step 2: Convert to fraction form
    27,368.97/37,769.03 = 15,432.41/x
  3. Step 3: Cross multiply
    27,368.97x = 37,769.03 × 15,432.41
  4. Step 4: Simplify right side
    27,368.97x = 582,866,890.26
  5. Step 5: Solve for x
    x = 582,866,890.26/27,368.97
  6. Step 6: Final answer
    x = 21,296.63

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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.