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Finding the Fourth Proportional to 18,463.25, 25,475.15 and 10,904.42

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Solution

The fourth proportional to 18,463.25, 25,475.15 and 10,904.42 is: 15,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.25 : 25,475.15 = 10,904.42 : x
  2. Step 2: Convert to fraction form
    18,463.25/25,475.15 = 10,904.42/x
  3. Step 3: Cross multiply
    18,463.25x = 25,475.15 × 10,904.42
  4. Step 4: Simplify right side
    18,463.25x = 277,791,553.27
  5. Step 5: Solve for x
    x = 277,791,553.27/18,463.25
  6. Step 6: Final answer
    x = 15,045.65

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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.