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Finding the Fourth Proportional to 11,967.03, 17,950.20 and 3,646.68

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Solution

The fourth proportional to 11,967.03, 17,950.20 and 3,646.68 is: 5,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.03 : 17,950.20 = 3,646.68 : x
  2. Step 2: Convert to fraction form
    11,967.03/17,950.20 = 3,646.68/x
  3. Step 3: Cross multiply
    11,967.03x = 17,950.20 × 3,646.68
  4. Step 4: Simplify right side
    11,967.03x = 65,458,635.34
  5. Step 5: Solve for x
    x = 65,458,635.34/11,967.03
  6. Step 6: Final answer
    x = 5,469.91

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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.