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Finding the Fourth Proportional to 36,869.52, 50,879.80 and 20,102.52

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Solution

The fourth proportional to 36,869.52, 50,879.80 and 20,102.52 is: 27,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,869.52 : 50,879.80 = 20,102.52 : x
  2. Step 2: Convert to fraction form
    36,869.52/50,879.80 = 20,102.52/x
  3. Step 3: Cross multiply
    36,869.52x = 50,879.80 × 20,102.52
  4. Step 4: Simplify right side
    36,869.52x = 1,022,812,197.10
  5. Step 5: Solve for x
    x = 1,022,812,197.10/36,869.52
  6. Step 6: Final answer
    x = 27,741.40

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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.