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Finding the Fourth Proportional to 18,570.96, 25,571.88 and 16,048.44

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Solution

The fourth proportional to 18,570.96, 25,571.88 and 16,048.44 is: 22,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.96 : 25,571.88 = 16,048.44 : x
  2. Step 2: Convert to fraction form
    18,570.96/25,571.88 = 16,048.44/x
  3. Step 3: Cross multiply
    18,570.96x = 25,571.88 × 16,048.44
  4. Step 4: Simplify right side
    18,570.96x = 410,388,781.87
  5. Step 5: Solve for x
    x = 410,388,781.87/18,570.96
  6. Step 6: Final answer
    x = 22,098.42

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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.