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Finding the Fourth Proportional to 36,903.42, 50,926.86 and 20,136.42

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Solution

The fourth proportional to 36,903.42, 50,926.86 and 20,136.42 is: 27,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.42 : 50,926.86 = 20,136.42 : x
  2. Step 2: Convert to fraction form
    36,903.42/50,926.86 = 20,136.42/x
  3. Step 3: Cross multiply
    36,903.42x = 50,926.86 × 20,136.42
  4. Step 4: Simplify right side
    36,903.42x = 1,025,484,642.24
  5. Step 5: Solve for x
    x = 1,025,484,642.24/36,903.42
  6. Step 6: Final answer
    x = 27,788.34

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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.