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Finding the Fourth Proportional to 36,506.28, 50,378.70 and 19,739.28

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Solution

The fourth proportional to 36,506.28, 50,378.70 and 19,739.28 is: 27,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,506.28 : 50,378.70 = 19,739.28 : x
  2. Step 2: Convert to fraction form
    36,506.28/50,378.70 = 19,739.28/x
  3. Step 3: Cross multiply
    36,506.28x = 50,378.70 × 19,739.28
  4. Step 4: Simplify right side
    36,506.28x = 994,439,265.34
  5. Step 5: Solve for x
    x = 994,439,265.34/36,506.28
  6. Step 6: Final answer
    x = 27,240.22

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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.