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Finding the Fourth Proportional to 36,306, 50,096.40 and 21,196.20

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Solution

The fourth proportional to 36,306, 50,096.40 and 21,196.20 is: 29,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,306 : 50,096.40 = 21,196.20 : x
  2. Step 2: Convert to fraction form
    36,306/50,096.40 = 21,196.20/x
  3. Step 3: Cross multiply
    36,306x = 50,096.40 × 21,196.20
  4. Step 4: Simplify right side
    36,306x = 1,061,853,313.68
  5. Step 5: Solve for x
    x = 1,061,853,313.68/36,306
  6. Step 6: Final answer
    x = 29,247.32

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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.