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Finding the Fourth Proportional to 36,712.80, 50,663.04 and 19,945.68

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Solution

The fourth proportional to 36,712.80, 50,663.04 and 19,945.68 is: 27,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,712.80 : 50,663.04 = 19,945.68 : x
  2. Step 2: Convert to fraction form
    36,712.80/50,663.04 = 19,945.68/x
  3. Step 3: Cross multiply
    36,712.80x = 50,663.04 × 19,945.68
  4. Step 4: Simplify right side
    36,712.80x = 1,010,508,783.67
  5. Step 5: Solve for x
    x = 1,010,508,783.67/36,712.80
  6. Step 6: Final answer
    x = 27,524.70

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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.