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Finding the Fourth Proportional to 36,483.12, 50,340.40 and 21,164.12

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Solution

The fourth proportional to 36,483.12, 50,340.40 and 21,164.12 is: 29,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,483.12 : 50,340.40 = 21,164.12 : x
  2. Step 2: Convert to fraction form
    36,483.12/50,340.40 = 21,164.12/x
  3. Step 3: Cross multiply
    36,483.12x = 50,340.40 × 21,164.12
  4. Step 4: Simplify right side
    36,483.12x = 1,065,410,266.45
  5. Step 5: Solve for x
    x = 1,065,410,266.45/36,483.12
  6. Step 6: Final answer
    x = 29,202.83

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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.