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Finding the Fourth Proportional to 17,433.52, 26,150.06 and 4,286

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Solution

The fourth proportional to 17,433.52, 26,150.06 and 4,286 is: 6,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,433.52 : 26,150.06 = 4,286 : x
  2. Step 2: Convert to fraction form
    17,433.52/26,150.06 = 4,286/x
  3. Step 3: Cross multiply
    17,433.52x = 26,150.06 × 4,286
  4. Step 4: Simplify right side
    17,433.52x = 112,079,157.16
  5. Step 5: Solve for x
    x = 112,079,157.16/17,433.52
  6. Step 6: Final answer
    x = 6,428.95

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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.