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Finding the Fourth Proportional to 8,550.60, 12,826.74 and 3,551.94

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Solution

The fourth proportional to 8,550.60, 12,826.74 and 3,551.94 is: 5,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.60 : 12,826.74 = 3,551.94 : x
  2. Step 2: Convert to fraction form
    8,550.60/12,826.74 = 3,551.94/x
  3. Step 3: Cross multiply
    8,550.60x = 12,826.74 × 3,551.94
  4. Step 4: Simplify right side
    8,550.60x = 45,559,810.88
  5. Step 5: Solve for x
    x = 45,559,810.88/8,550.60
  6. Step 6: Final answer
    x = 5,328.26

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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.