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Finding the Fourth Proportional to 17,137.98, 25,706.16 and 8,364.06

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Solution

The fourth proportional to 17,137.98, 25,706.16 and 8,364.06 is: 12,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.98 : 25,706.16 = 8,364.06 : x
  2. Step 2: Convert to fraction form
    17,137.98/25,706.16 = 8,364.06/x
  3. Step 3: Cross multiply
    17,137.98x = 25,706.16 × 8,364.06
  4. Step 4: Simplify right side
    17,137.98x = 215,007,864.61
  5. Step 5: Solve for x
    x = 215,007,864.61/17,137.98
  6. Step 6: Final answer
    x = 12,545.69

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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.