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Finding the Fourth Proportional to 15,992.57, 23,988.86 and 8,196.41

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Solution

The fourth proportional to 15,992.57, 23,988.86 and 8,196.41 is: 12,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.57 : 23,988.86 = 8,196.41 : x
  2. Step 2: Convert to fraction form
    15,992.57/23,988.86 = 8,196.41/x
  3. Step 3: Cross multiply
    15,992.57x = 23,988.86 × 8,196.41
  4. Step 4: Simplify right side
    15,992.57x = 196,622,531.99
  5. Step 5: Solve for x
    x = 196,622,531.99/15,992.57
  6. Step 6: Final answer
    x = 12,294.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.