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Finding the Fourth Proportional to 17,995.71, 24,821.23 and 15,601.41

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Solution

The fourth proportional to 17,995.71, 24,821.23 and 15,601.41 is: 21,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.71 : 24,821.23 = 15,601.41 : x
  2. Step 2: Convert to fraction form
    17,995.71/24,821.23 = 15,601.41/x
  3. Step 3: Cross multiply
    17,995.71x = 24,821.23 × 15,601.41
  4. Step 4: Simplify right side
    17,995.71x = 387,246,185.93
  5. Step 5: Solve for x
    x = 387,246,185.93/17,995.71
  6. Step 6: Final answer
    x = 21,518.81

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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.