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Finding the Fourth Proportional to 10,609.38, 14,640.54 and 5,893.96

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Solution

The fourth proportional to 10,609.38, 14,640.54 and 5,893.96 is: 8,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.38 : 14,640.54 = 5,893.96 : x
  2. Step 2: Convert to fraction form
    10,609.38/14,640.54 = 5,893.96/x
  3. Step 3: Cross multiply
    10,609.38x = 14,640.54 × 5,893.96
  4. Step 4: Simplify right side
    10,609.38x = 86,290,757.14
  5. Step 5: Solve for x
    x = 86,290,757.14/10,609.38
  6. Step 6: Final answer
    x = 8,133.44

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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.