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Finding the Fourth Proportional to 36,720.69, 50,674.85 and 19,953.69

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Solution

The fourth proportional to 36,720.69, 50,674.85 and 19,953.69 is: 27,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.69 : 50,674.85 = 19,953.69 : x
  2. Step 2: Convert to fraction form
    36,720.69/50,674.85 = 19,953.69/x
  3. Step 3: Cross multiply
    36,720.69x = 50,674.85 × 19,953.69
  4. Step 4: Simplify right side
    36,720.69x = 1,011,150,247.70
  5. Step 5: Solve for x
    x = 1,011,150,247.70/36,720.69
  6. Step 6: Final answer
    x = 27,536.25

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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.