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Finding the Fourth Proportional to 9,361.65, 14,042.43 and 3,813.69

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Solution

The fourth proportional to 9,361.65, 14,042.43 and 3,813.69 is: 5,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.65 : 14,042.43 = 3,813.69 : x
  2. Step 2: Convert to fraction form
    9,361.65/14,042.43 = 3,813.69/x
  3. Step 3: Cross multiply
    9,361.65x = 14,042.43 × 3,813.69
  4. Step 4: Simplify right side
    9,361.65x = 53,553,474.87
  5. Step 5: Solve for x
    x = 53,553,474.87/9,361.65
  6. Step 6: Final answer
    x = 5,720.52

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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.