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Finding the Fourth Proportional to 36,720.95, 50,675.21 and 19,953.95

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Solution

The fourth proportional to 36,720.95, 50,675.21 and 19,953.95 is: 27,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.95 : 50,675.21 = 19,953.95 : x
  2. Step 2: Convert to fraction form
    36,720.95/50,675.21 = 19,953.95/x
  3. Step 3: Cross multiply
    36,720.95x = 50,675.21 × 19,953.95
  4. Step 4: Simplify right side
    36,720.95x = 1,011,170,253.43
  5. Step 5: Solve for x
    x = 1,011,170,253.43/36,720.95
  6. Step 6: Final answer
    x = 27,536.61

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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.