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Finding the Fourth Proportional to 36,751.68, 50,716.80 and 19,984.32

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Solution

The fourth proportional to 36,751.68, 50,716.80 and 19,984.32 is: 27,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.68 : 50,716.80 = 19,984.32 : x
  2. Step 2: Convert to fraction form
    36,751.68/50,716.80 = 19,984.32/x
  3. Step 3: Cross multiply
    36,751.68x = 50,716.80 × 19,984.32
  4. Step 4: Simplify right side
    36,751.68x = 1,013,540,760.58
  5. Step 5: Solve for x
    x = 1,013,540,760.58/36,751.68
  6. Step 6: Final answer
    x = 27,578.08

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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.