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Finding the Fourth Proportional to 18,968, 26,175.84 and 10,584.56

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Solution

The fourth proportional to 18,968, 26,175.84 and 10,584.56 is: 14,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968 : 26,175.84 = 10,584.56 : x
  2. Step 2: Convert to fraction form
    18,968/26,175.84 = 10,584.56/x
  3. Step 3: Cross multiply
    18,968x = 26,175.84 × 10,584.56
  4. Step 4: Simplify right side
    18,968x = 277,059,749.03
  5. Step 5: Solve for x
    x = 277,059,749.03/18,968
  6. Step 6: Final answer
    x = 14,606.69

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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.