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Finding the Fourth Proportional to 6,993.56, 9,650.83 and 4,007.32

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Solution

The fourth proportional to 6,993.56, 9,650.83 and 4,007.32 is: 5,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.56 : 9,650.83 = 4,007.32 : x
  2. Step 2: Convert to fraction form
    6,993.56/9,650.83 = 4,007.32/x
  3. Step 3: Cross multiply
    6,993.56x = 9,650.83 × 4,007.32
  4. Step 4: Simplify right side
    6,993.56x = 38,673,895.78
  5. Step 5: Solve for x
    x = 38,673,895.78/6,993.56
  6. Step 6: Final answer
    x = 5,529.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.