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Finding the Fourth Proportional to 9,381.54, 14,072.31 and 3,536.79

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Solution

The fourth proportional to 9,381.54, 14,072.31 and 3,536.79 is: 5,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.54 : 14,072.31 = 3,536.79 : x
  2. Step 2: Convert to fraction form
    9,381.54/14,072.31 = 3,536.79/x
  3. Step 3: Cross multiply
    9,381.54x = 14,072.31 × 3,536.79
  4. Step 4: Simplify right side
    9,381.54x = 49,770,734.92
  5. Step 5: Solve for x
    x = 49,770,734.92/9,381.54
  6. Step 6: Final answer
    x = 5,305.18

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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.