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Finding the Fourth Proportional to 15,952.41, 22,012.97 and 8,879.49

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Solution

The fourth proportional to 15,952.41, 22,012.97 and 8,879.49 is: 12,252.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.41 : 22,012.97 = 8,879.49 : x
  2. Step 2: Convert to fraction form
    15,952.41/22,012.97 = 8,879.49/x
  3. Step 3: Cross multiply
    15,952.41x = 22,012.97 × 8,879.49
  4. Step 4: Simplify right side
    15,952.41x = 195,463,902.59
  5. Step 5: Solve for x
    x = 195,463,902.59/15,952.41
  6. Step 6: Final answer
    x = 12,252.94

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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.