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Finding the Fourth Proportional to 5,611.88, 8,405.76 and 4,552.94

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Solution

The fourth proportional to 5,611.88, 8,405.76 and 4,552.94 is: 6,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.88 : 8,405.76 = 4,552.94 : x
  2. Step 2: Convert to fraction form
    5,611.88/8,405.76 = 4,552.94/x
  3. Step 3: Cross multiply
    5,611.88x = 8,405.76 × 4,552.94
  4. Step 4: Simplify right side
    5,611.88x = 38,270,920.93
  5. Step 5: Solve for x
    x = 38,270,920.93/5,611.88
  6. Step 6: Final answer
    x = 6,819.63

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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.