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Finding the Fourth Proportional to 16,880.44, 25,319.44 and 7,393.72

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Solution

The fourth proportional to 16,880.44, 25,319.44 and 7,393.72 is: 11,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.44 : 25,319.44 = 7,393.72 : x
  2. Step 2: Convert to fraction form
    16,880.44/25,319.44 = 7,393.72/x
  3. Step 3: Cross multiply
    16,880.44x = 25,319.44 × 7,393.72
  4. Step 4: Simplify right side
    16,880.44x = 187,204,786.62
  5. Step 5: Solve for x
    x = 187,204,786.62/16,880.44
  6. Step 6: Final answer
    x = 11,090.04

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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.