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Finding the Fourth Proportional to 36,646.75, 50,572.79 and 19,879.75

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Solution

The fourth proportional to 36,646.75, 50,572.79 and 19,879.75 is: 27,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646.75 : 50,572.79 = 19,879.75 : x
  2. Step 2: Convert to fraction form
    36,646.75/50,572.79 = 19,879.75/x
  3. Step 3: Cross multiply
    36,646.75x = 50,572.79 × 19,879.75
  4. Step 4: Simplify right side
    36,646.75x = 1,005,374,422.00
  5. Step 5: Solve for x
    x = 1,005,374,422.00/36,646.75
  6. Step 6: Final answer
    x = 27,434.20

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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.