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Finding the Fourth Proportional to 17,137.71, 25,706.57 and 11,292.95

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Solution

The fourth proportional to 17,137.71, 25,706.57 and 11,292.95 is: 16,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.71 : 25,706.57 = 11,292.95 : x
  2. Step 2: Convert to fraction form
    17,137.71/25,706.57 = 11,292.95/x
  3. Step 3: Cross multiply
    17,137.71x = 25,706.57 × 11,292.95
  4. Step 4: Simplify right side
    17,137.71x = 290,303,017.48
  5. Step 5: Solve for x
    x = 290,303,017.48/17,137.71
  6. Step 6: Final answer
    x = 16,939.43

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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.