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Finding the Fourth Proportional to 17,957.54, 26,935.59 and 6,863.78

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Solution

The fourth proportional to 17,957.54, 26,935.59 and 6,863.78 is: 10,295.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.54 : 26,935.59 = 6,863.78 : x
  2. Step 2: Convert to fraction form
    17,957.54/26,935.59 = 6,863.78/x
  3. Step 3: Cross multiply
    17,957.54x = 26,935.59 × 6,863.78
  4. Step 4: Simplify right side
    17,957.54x = 184,879,963.93
  5. Step 5: Solve for x
    x = 184,879,963.93/17,957.54
  6. Step 6: Final answer
    x = 10,295.39

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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.