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Finding the Fourth Proportional to 17,087.76, 25,611.84 and 7,223.76

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Solution

The fourth proportional to 17,087.76, 25,611.84 and 7,223.76 is: 10,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.76 : 25,611.84 = 7,223.76 : x
  2. Step 2: Convert to fraction form
    17,087.76/25,611.84 = 7,223.76/x
  3. Step 3: Cross multiply
    17,087.76x = 25,611.84 × 7,223.76
  4. Step 4: Simplify right side
    17,087.76x = 185,013,785.32
  5. Step 5: Solve for x
    x = 185,013,785.32/17,087.76
  6. Step 6: Final answer
    x = 10,827.27

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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.