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Finding the Fourth Proportional to 17,078.54, 25,602.17 and 5,979.17

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Solution

The fourth proportional to 17,078.54, 25,602.17 and 5,979.17 is: 8,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.54 : 25,602.17 = 5,979.17 : x
  2. Step 2: Convert to fraction form
    17,078.54/25,602.17 = 5,979.17/x
  3. Step 3: Cross multiply
    17,078.54x = 25,602.17 × 5,979.17
  4. Step 4: Simplify right side
    17,078.54x = 153,079,726.80
  5. Step 5: Solve for x
    x = 153,079,726.80/17,078.54
  6. Step 6: Final answer
    x = 8,963.28

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1.5x scale

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.