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Finding the Fourth Proportional to 8,567.03, 12,840.26 and 4,408.99

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Solution

The fourth proportional to 8,567.03, 12,840.26 and 4,408.99 is: 6,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.03 : 12,840.26 = 4,408.99 : x
  2. Step 2: Convert to fraction form
    8,567.03/12,840.26 = 4,408.99/x
  3. Step 3: Cross multiply
    8,567.03x = 12,840.26 × 4,408.99
  4. Step 4: Simplify right side
    8,567.03x = 56,612,523.79
  5. Step 5: Solve for x
    x = 56,612,523.79/8,567.03
  6. Step 6: Final answer
    x = 6,608.18

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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.