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Finding the Fourth Proportional to 16,762.72, 25,147.24 and 7,998.24

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Solution

The fourth proportional to 16,762.72, 25,147.24 and 7,998.24 is: 11,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.72 : 25,147.24 = 7,998.24 : x
  2. Step 2: Convert to fraction form
    16,762.72/25,147.24 = 7,998.24/x
  3. Step 3: Cross multiply
    16,762.72x = 25,147.24 × 7,998.24
  4. Step 4: Simplify right side
    16,762.72x = 201,133,660.86
  5. Step 5: Solve for x
    x = 201,133,660.86/16,762.72
  6. Step 6: Final answer
    x = 11,998.87

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Double scale
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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.