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Finding the Fourth Proportional to 9,383.56, 14,062.92 and 4,991.56

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Solution

The fourth proportional to 9,383.56, 14,062.92 and 4,991.56 is: 7,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.56 : 14,062.92 = 4,991.56 : x
  2. Step 2: Convert to fraction form
    9,383.56/14,062.92 = 4,991.56/x
  3. Step 3: Cross multiply
    9,383.56x = 14,062.92 × 4,991.56
  4. Step 4: Simplify right side
    9,383.56x = 70,195,908.96
  5. Step 5: Solve for x
    x = 70,195,908.96/9,383.56
  6. Step 6: Final answer
    x = 7,480.73

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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.