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Finding the Fourth Proportional to 23,321.44, 34,992.48 and 12,225.48

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Solution

The fourth proportional to 23,321.44, 34,992.48 and 12,225.48 is: 18,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.44 : 34,992.48 = 12,225.48 : x
  2. Step 2: Convert to fraction form
    23,321.44/34,992.48 = 12,225.48/x
  3. Step 3: Cross multiply
    23,321.44x = 34,992.48 × 12,225.48
  4. Step 4: Simplify right side
    23,321.44x = 427,799,864.39
  5. Step 5: Solve for x
    x = 427,799,864.39/23,321.44
  6. Step 6: Final answer
    x = 18,343.63

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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.