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Finding the Fourth Proportional to 8,826.55, 13,237.16 and 3,559.86

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Solution

The fourth proportional to 8,826.55, 13,237.16 and 3,559.86 is: 5,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.55 : 13,237.16 = 3,559.86 : x
  2. Step 2: Convert to fraction form
    8,826.55/13,237.16 = 3,559.86/x
  3. Step 3: Cross multiply
    8,826.55x = 13,237.16 × 3,559.86
  4. Step 4: Simplify right side
    8,826.55x = 47,122,418.60
  5. Step 5: Solve for x
    x = 47,122,418.60/8,826.55
  6. Step 6: Final answer
    x = 5,338.71

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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.