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Finding the Fourth Proportional to 13,373.76, 20,067.12 and 6,352.68

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Solution

The fourth proportional to 13,373.76, 20,067.12 and 6,352.68 is: 9,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.76 : 20,067.12 = 6,352.68 : x
  2. Step 2: Convert to fraction form
    13,373.76/20,067.12 = 6,352.68/x
  3. Step 3: Cross multiply
    13,373.76x = 20,067.12 × 6,352.68
  4. Step 4: Simplify right side
    13,373.76x = 127,479,991.88
  5. Step 5: Solve for x
    x = 127,479,991.88/13,373.76
  6. Step 6: Final answer
    x = 9,532.10

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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.