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Finding the Fourth Proportional to 5,912.03, 8,841.42 and 5,257.76

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Solution

The fourth proportional to 5,912.03, 8,841.42 and 5,257.76 is: 7,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.03 : 8,841.42 = 5,257.76 : x
  2. Step 2: Convert to fraction form
    5,912.03/8,841.42 = 5,257.76/x
  3. Step 3: Cross multiply
    5,912.03x = 8,841.42 × 5,257.76
  4. Step 4: Simplify right side
    5,912.03x = 46,486,020.21
  5. Step 5: Solve for x
    x = 46,486,020.21/5,912.03
  6. Step 6: Final answer
    x = 7,862.95

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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.