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Finding the Fourth Proportional to 36,836.68, 50,835 and 20,069.68

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Solution

The fourth proportional to 36,836.68, 50,835 and 20,069.68 is: 27,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,836.68 : 50,835 = 20,069.68 : x
  2. Step 2: Convert to fraction form
    36,836.68/50,835 = 20,069.68/x
  3. Step 3: Cross multiply
    36,836.68x = 50,835 × 20,069.68
  4. Step 4: Simplify right side
    36,836.68x = 1,020,242,182.80
  5. Step 5: Solve for x
    x = 1,020,242,182.80/36,836.68
  6. Step 6: Final answer
    x = 27,696.37

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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.