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Finding the Fourth Proportional to 13,374.54, 20,063.16 and 6,796.62

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Solution

The fourth proportional to 13,374.54, 20,063.16 and 6,796.62 is: 10,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.54 : 20,063.16 = 6,796.62 : x
  2. Step 2: Convert to fraction form
    13,374.54/20,063.16 = 6,796.62/x
  3. Step 3: Cross multiply
    13,374.54x = 20,063.16 × 6,796.62
  4. Step 4: Simplify right side
    13,374.54x = 136,361,674.52
  5. Step 5: Solve for x
    x = 136,361,674.52/13,374.54
  6. Step 6: Final answer
    x = 10,195.62

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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.