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Finding the Fourth Proportional to 24,544, 36,817.92 and 8,128

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Solution

The fourth proportional to 24,544, 36,817.92 and 8,128 is: 12,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,544 : 36,817.92 = 8,128 : x
  2. Step 2: Convert to fraction form
    24,544/36,817.92 = 8,128/x
  3. Step 3: Cross multiply
    24,544x = 36,817.92 × 8,128
  4. Step 4: Simplify right side
    24,544x = 299,256,053.76
  5. Step 5: Solve for x
    x = 299,256,053.76/24,544
  6. Step 6: Final answer
    x = 12,192.64

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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.