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Finding the Fourth Proportional to 13,372.83, 20,048.31 and 5,048.12

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Solution

The fourth proportional to 13,372.83, 20,048.31 and 5,048.12 is: 7,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.83 : 20,048.31 = 5,048.12 : x
  2. Step 2: Convert to fraction form
    13,372.83/20,048.31 = 5,048.12/x
  3. Step 3: Cross multiply
    13,372.83x = 20,048.31 × 5,048.12
  4. Step 4: Simplify right side
    13,372.83x = 101,206,324.80
  5. Step 5: Solve for x
    x = 101,206,324.80/13,372.83
  6. Step 6: Final answer
    x = 7,568.06

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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.