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Finding the Fourth Proportional to 17,615.73, 24,295.79 and 15,601.26

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Solution

The fourth proportional to 17,615.73, 24,295.79 and 15,601.26 is: 21,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.73 : 24,295.79 = 15,601.26 : x
  2. Step 2: Convert to fraction form
    17,615.73/24,295.79 = 15,601.26/x
  3. Step 3: Cross multiply
    17,615.73x = 24,295.79 × 15,601.26
  4. Step 4: Simplify right side
    17,615.73x = 379,044,776.21
  5. Step 5: Solve for x
    x = 379,044,776.21/17,615.73
  6. Step 6: Final answer
    x = 21,517.41

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1.5x scale

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.