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Finding the Fourth Proportional to 18,476.50, 25,497.70 and 10,093

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Solution

The fourth proportional to 18,476.50, 25,497.70 and 10,093 is: 13,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.50 : 25,497.70 = 10,093 : x
  2. Step 2: Convert to fraction form
    18,476.50/25,497.70 = 10,093/x
  3. Step 3: Cross multiply
    18,476.50x = 25,497.70 × 10,093
  4. Step 4: Simplify right side
    18,476.50x = 257,348,286.10
  5. Step 5: Solve for x
    x = 257,348,286.10/18,476.50
  6. Step 6: Final answer
    x = 13,928.41

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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.