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Finding the Fourth Proportional to 11,600.80, 17,404.20 and 5,025.46

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Solution

The fourth proportional to 11,600.80, 17,404.20 and 5,025.46 is: 7,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.80 : 17,404.20 = 5,025.46 : x
  2. Step 2: Convert to fraction form
    11,600.80/17,404.20 = 5,025.46/x
  3. Step 3: Cross multiply
    11,600.80x = 17,404.20 × 5,025.46
  4. Step 4: Simplify right side
    11,600.80x = 87,464,110.93
  5. Step 5: Solve for x
    x = 87,464,110.93/11,600.80
  6. Step 6: Final answer
    x = 7,539.49

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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.