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Finding the Fourth Proportional to 8,673.30, 13,000.64 and 3,745.26

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Solution

The fourth proportional to 8,673.30, 13,000.64 and 3,745.26 is: 5,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.30 : 13,000.64 = 3,745.26 : x
  2. Step 2: Convert to fraction form
    8,673.30/13,000.64 = 3,745.26/x
  3. Step 3: Cross multiply
    8,673.30x = 13,000.64 × 3,745.26
  4. Step 4: Simplify right side
    8,673.30x = 48,690,758.24
  5. Step 5: Solve for x
    x = 48,690,758.24/8,673.30
  6. Step 6: Final answer
    x = 5,613.87

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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.