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Finding the Fourth Proportional to 17,753.88, 26,611.38 and 8,976.72

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Solution

The fourth proportional to 17,753.88, 26,611.38 and 8,976.72 is: 13,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,753.88 : 26,611.38 = 8,976.72 : x
  2. Step 2: Convert to fraction form
    17,753.88/26,611.38 = 8,976.72/x
  3. Step 3: Cross multiply
    17,753.88x = 26,611.38 × 8,976.72
  4. Step 4: Simplify right side
    17,753.88x = 238,882,907.07
  5. Step 5: Solve for x
    x = 238,882,907.07/17,753.88
  6. Step 6: Final answer
    x = 13,455.25

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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.