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Finding the Fourth Proportional to 36,651.61, 50,580.21 and 19,884.61

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Solution

The fourth proportional to 36,651.61, 50,580.21 and 19,884.61 is: 27,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651.61 : 50,580.21 = 19,884.61 : x
  2. Step 2: Convert to fraction form
    36,651.61/50,580.21 = 19,884.61/x
  3. Step 3: Cross multiply
    36,651.61x = 50,580.21 × 19,884.61
  4. Step 4: Simplify right side
    36,651.61x = 1,005,767,749.57
  5. Step 5: Solve for x
    x = 1,005,767,749.57/36,651.61
  6. Step 6: Final answer
    x = 27,441.30

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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.