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Finding the Fourth Proportional to 5,956.50, 8,220.05 and 3,267.95

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Solution

The fourth proportional to 5,956.50, 8,220.05 and 3,267.95 is: 4,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,956.50 : 8,220.05 = 3,267.95 : x
  2. Step 2: Convert to fraction form
    5,956.50/8,220.05 = 3,267.95/x
  3. Step 3: Cross multiply
    5,956.50x = 8,220.05 × 3,267.95
  4. Step 4: Simplify right side
    5,956.50x = 26,862,712.40
  5. Step 5: Solve for x
    x = 26,862,712.40/5,956.50
  6. Step 6: Final answer
    x = 4,509.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.