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Finding the Fourth Proportional to 36,451.50, 50,303.07 and 19,684.50

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Solution

The fourth proportional to 36,451.50, 50,303.07 and 19,684.50 is: 27,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,451.50 : 50,303.07 = 19,684.50 : x
  2. Step 2: Convert to fraction form
    36,451.50/50,303.07 = 19,684.50/x
  3. Step 3: Cross multiply
    36,451.50x = 50,303.07 × 19,684.50
  4. Step 4: Simplify right side
    36,451.50x = 990,190,781.42
  5. Step 5: Solve for x
    x = 990,190,781.42/36,451.50
  6. Step 6: Final answer
    x = 27,164.61

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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.