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Finding the Fourth Proportional to 5,862.86, 8,800.38 and 3,928.58

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Solution

The fourth proportional to 5,862.86, 8,800.38 and 3,928.58 is: 5,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.86 : 8,800.38 = 3,928.58 : x
  2. Step 2: Convert to fraction form
    5,862.86/8,800.38 = 3,928.58/x
  3. Step 3: Cross multiply
    5,862.86x = 8,800.38 × 3,928.58
  4. Step 4: Simplify right side
    5,862.86x = 34,572,996.86
  5. Step 5: Solve for x
    x = 34,572,996.86/5,862.86
  6. Step 6: Final answer
    x = 5,896.95

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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.