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Finding the Fourth Proportional to 9,107.01, 13,658.04 and 3,911.67

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Solution

The fourth proportional to 9,107.01, 13,658.04 and 3,911.67 is: 5,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.01 : 13,658.04 = 3,911.67 : x
  2. Step 2: Convert to fraction form
    9,107.01/13,658.04 = 3,911.67/x
  3. Step 3: Cross multiply
    9,107.01x = 13,658.04 × 3,911.67
  4. Step 4: Simplify right side
    9,107.01x = 53,425,745.33
  5. Step 5: Solve for x
    x = 53,425,745.33/9,107.01
  6. Step 6: Final answer
    x = 5,866.44

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1.5x scale

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.