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Finding the Fourth Proportional to 9,007.56, 13,512.96 and 3,163.32

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Solution

The fourth proportional to 9,007.56, 13,512.96 and 3,163.32 is: 4,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.56 : 13,512.96 = 3,163.32 : x
  2. Step 2: Convert to fraction form
    9,007.56/13,512.96 = 3,163.32/x
  3. Step 3: Cross multiply
    9,007.56x = 13,512.96 × 3,163.32
  4. Step 4: Simplify right side
    9,007.56x = 42,745,816.63
  5. Step 5: Solve for x
    x = 42,745,816.63/9,007.56
  6. Step 6: Final answer
    x = 4,745.55

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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.