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Finding the Fourth Proportional to 36,653.49, 50,581.56 and 20,737.59

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Solution

The fourth proportional to 36,653.49, 50,581.56 and 20,737.59 is: 28,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.49 : 50,581.56 = 20,737.59 : x
  2. Step 2: Convert to fraction form
    36,653.49/50,581.56 = 20,737.59/x
  3. Step 3: Cross multiply
    36,653.49x = 50,581.56 × 20,737.59
  4. Step 4: Simplify right side
    36,653.49x = 1,048,939,652.84
  5. Step 5: Solve for x
    x = 1,048,939,652.84/36,653.49
  6. Step 6: Final answer
    x = 28,617.73

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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.