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Finding the Fourth Proportional to 36,573.79, 50,471.16 and 20,441.40

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Solution

The fourth proportional to 36,573.79, 50,471.16 and 20,441.40 is: 28,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.79 : 50,471.16 = 20,441.40 : x
  2. Step 2: Convert to fraction form
    36,573.79/50,471.16 = 20,441.40/x
  3. Step 3: Cross multiply
    36,573.79x = 50,471.16 × 20,441.40
  4. Step 4: Simplify right side
    36,573.79x = 1,031,700,961.59
  5. Step 5: Solve for x
    x = 1,031,700,961.59/36,573.79
  6. Step 6: Final answer
    x = 28,208.75

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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.