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Finding the Fourth Proportional to 36,458.32, 50,311.88 and 20,544.32

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Solution

The fourth proportional to 36,458.32, 50,311.88 and 20,544.32 is: 28,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.32 : 50,311.88 = 20,544.32 : x
  2. Step 2: Convert to fraction form
    36,458.32/50,311.88 = 20,544.32/x
  3. Step 3: Cross multiply
    36,458.32x = 50,311.88 × 20,544.32
  4. Step 4: Simplify right side
    36,458.32x = 1,033,623,362.52
  5. Step 5: Solve for x
    x = 1,033,623,362.52/36,458.32
  6. Step 6: Final answer
    x = 28,350.82

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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.