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Finding the Fourth Proportional to 17,611.53, 26,419.76 and 5,766.23

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Solution

The fourth proportional to 17,611.53, 26,419.76 and 5,766.23 is: 8,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.53 : 26,419.76 = 5,766.23 : x
  2. Step 2: Convert to fraction form
    17,611.53/26,419.76 = 5,766.23/x
  3. Step 3: Cross multiply
    17,611.53x = 26,419.76 × 5,766.23
  4. Step 4: Simplify right side
    17,611.53x = 152,342,251.77
  5. Step 5: Solve for x
    x = 152,342,251.77/17,611.53
  6. Step 6: Final answer
    x = 8,650.14

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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.