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Finding the Fourth Proportional to 9,662.44, 13,334.34 and 5,471.56

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Solution

The fourth proportional to 9,662.44, 13,334.34 and 5,471.56 is: 7,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.44 : 13,334.34 = 5,471.56 : x
  2. Step 2: Convert to fraction form
    9,662.44/13,334.34 = 5,471.56/x
  3. Step 3: Cross multiply
    9,662.44x = 13,334.34 × 5,471.56
  4. Step 4: Simplify right side
    9,662.44x = 72,959,641.37
  5. Step 5: Solve for x
    x = 72,959,641.37/9,662.44
  6. Step 6: Final answer
    x = 7,550.85

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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.