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Finding the Fourth Proportional to 18,606, 25,600.95 and 17,959.62

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Solution

The fourth proportional to 18,606, 25,600.95 and 17,959.62 is: 24,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606 : 25,600.95 = 17,959.62 : x
  2. Step 2: Convert to fraction form
    18,606/25,600.95 = 17,959.62/x
  3. Step 3: Cross multiply
    18,606x = 25,600.95 × 17,959.62
  4. Step 4: Simplify right side
    18,606x = 459,783,333.64
  5. Step 5: Solve for x
    x = 459,783,333.64/18,606
  6. Step 6: Final answer
    x = 24,711.56

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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.