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Finding the Fourth Proportional to 50,351.65, 69,483.69 and 27,690.57

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Solution

The fourth proportional to 50,351.65, 69,483.69 and 27,690.57 is: 38,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,351.65 : 69,483.69 = 27,690.57 : x
  2. Step 2: Convert to fraction form
    50,351.65/69,483.69 = 27,690.57/x
  3. Step 3: Cross multiply
    50,351.65x = 69,483.69 × 27,690.57
  4. Step 4: Simplify right side
    50,351.65x = 1,924,042,843.35
  5. Step 5: Solve for x
    x = 1,924,042,843.35/50,351.65
  6. Step 6: Final answer
    x = 38,212.11

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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.