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Finding the Fourth Proportional to 36,303.59, 50,101.62 and 20,388.98

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Solution

The fourth proportional to 36,303.59, 50,101.62 and 20,388.98 is: 28,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,303.59 : 50,101.62 = 20,388.98 : x
  2. Step 2: Convert to fraction form
    36,303.59/50,101.62 = 20,388.98/x
  3. Step 3: Cross multiply
    36,303.59x = 50,101.62 × 20,388.98
  4. Step 4: Simplify right side
    36,303.59x = 1,021,520,928.15
  5. Step 5: Solve for x
    x = 1,021,520,928.15/36,303.59
  6. Step 6: Final answer
    x = 28,138.29

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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.