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Finding the Fourth Proportional to 17,211.11, 25,816.66 and 4,731.30

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Solution

The fourth proportional to 17,211.11, 25,816.66 and 4,731.30 is: 7,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.11 : 25,816.66 = 4,731.30 : x
  2. Step 2: Convert to fraction form
    17,211.11/25,816.66 = 4,731.30/x
  3. Step 3: Cross multiply
    17,211.11x = 25,816.66 × 4,731.30
  4. Step 4: Simplify right side
    17,211.11x = 122,146,351.63
  5. Step 5: Solve for x
    x = 122,146,351.63/17,211.11
  6. Step 6: Final answer
    x = 7,096.95

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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.