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Finding the Fourth Proportional to 36,454.38, 50,307.04 and 19,687.38

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Solution

The fourth proportional to 36,454.38, 50,307.04 and 19,687.38 is: 27,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.38 : 50,307.04 = 19,687.38 : x
  2. Step 2: Convert to fraction form
    36,454.38/50,307.04 = 19,687.38/x
  3. Step 3: Cross multiply
    36,454.38x = 50,307.04 × 19,687.38
  4. Step 4: Simplify right side
    36,454.38x = 990,413,813.16
  5. Step 5: Solve for x
    x = 990,413,813.16/36,454.38
  6. Step 6: Final answer
    x = 27,168.58

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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.