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Finding the Fourth Proportional to 8,633.48, 12,944.22 and 4,408.52

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Solution

The fourth proportional to 8,633.48, 12,944.22 and 4,408.52 is: 6,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.48 : 12,944.22 = 4,408.52 : x
  2. Step 2: Convert to fraction form
    8,633.48/12,944.22 = 4,408.52/x
  3. Step 3: Cross multiply
    8,633.48x = 12,944.22 × 4,408.52
  4. Step 4: Simplify right side
    8,633.48x = 57,064,852.75
  5. Step 5: Solve for x
    x = 57,064,852.75/8,633.48
  6. Step 6: Final answer
    x = 6,609.72

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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.