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Finding the Fourth Proportional to 9,305.94, 13,954.48 and 3,609.56

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Solution

The fourth proportional to 9,305.94, 13,954.48 and 3,609.56 is: 5,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.94 : 13,954.48 = 3,609.56 : x
  2. Step 2: Convert to fraction form
    9,305.94/13,954.48 = 3,609.56/x
  3. Step 3: Cross multiply
    9,305.94x = 13,954.48 × 3,609.56
  4. Step 4: Simplify right side
    9,305.94x = 50,369,532.83
  5. Step 5: Solve for x
    x = 50,369,532.83/9,305.94
  6. Step 6: Final answer
    x = 5,412.62

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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.