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Finding the Fourth Proportional to 36,708.68, 50,657.70 and 19,941.80

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Solution

The fourth proportional to 36,708.68, 50,657.70 and 19,941.80 is: 27,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708.68 : 50,657.70 = 19,941.80 : x
  2. Step 2: Convert to fraction form
    36,708.68/50,657.70 = 19,941.80/x
  3. Step 3: Cross multiply
    36,708.68x = 50,657.70 × 19,941.80
  4. Step 4: Simplify right side
    36,708.68x = 1,010,205,721.86
  5. Step 5: Solve for x
    x = 1,010,205,721.86/36,708.68
  6. Step 6: Final answer
    x = 27,519.53

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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.