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Finding the Fourth Proportional to 5,967.18, 8,947.86 and 1,806.42

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Solution

The fourth proportional to 5,967.18, 8,947.86 and 1,806.42 is: 2,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.18 : 8,947.86 = 1,806.42 : x
  2. Step 2: Convert to fraction form
    5,967.18/8,947.86 = 1,806.42/x
  3. Step 3: Cross multiply
    5,967.18x = 8,947.86 × 1,806.42
  4. Step 4: Simplify right side
    5,967.18x = 16,163,593.26
  5. Step 5: Solve for x
    x = 16,163,593.26/5,967.18
  6. Step 6: Final answer
    x = 2,708.75

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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.