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Finding the Fourth Proportional to 50,010.75, 69,014.84 and 28,796.85

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Solution

The fourth proportional to 50,010.75, 69,014.84 and 28,796.85 is: 39,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,010.75 : 69,014.84 = 28,796.85 : x
  2. Step 2: Convert to fraction form
    50,010.75/69,014.84 = 28,796.85/x
  3. Step 3: Cross multiply
    50,010.75x = 69,014.84 × 28,796.85
  4. Step 4: Simplify right side
    50,010.75x = 1,987,409,851.27
  5. Step 5: Solve for x
    x = 1,987,409,851.27/50,010.75
  6. Step 6: Final answer
    x = 39,739.65

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Half scale
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Double scale
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Similar ratio
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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.