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Finding the Fourth Proportional to 36,830.20, 50,825.66 and 20,063.20

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Solution

The fourth proportional to 36,830.20, 50,825.66 and 20,063.20 is: 27,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.20 : 50,825.66 = 20,063.20 : x
  2. Step 2: Convert to fraction form
    36,830.20/50,825.66 = 20,063.20/x
  3. Step 3: Cross multiply
    36,830.20x = 50,825.66 × 20,063.20
  4. Step 4: Simplify right side
    36,830.20x = 1,019,725,381.71
  5. Step 5: Solve for x
    x = 1,019,725,381.71/36,830.20
  6. Step 6: Final answer
    x = 27,687.21

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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.