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Finding the Fourth Proportional to 36,550.70, 50,439.96 and 19,783.70

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Solution

The fourth proportional to 36,550.70, 50,439.96 and 19,783.70 is: 27,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,550.70 : 50,439.96 = 19,783.70 : x
  2. Step 2: Convert to fraction form
    36,550.70/50,439.96 = 19,783.70/x
  3. Step 3: Cross multiply
    36,550.70x = 50,439.96 × 19,783.70
  4. Step 4: Simplify right side
    36,550.70x = 997,889,036.65
  5. Step 5: Solve for x
    x = 997,889,036.65/36,550.70
  6. Step 6: Final answer
    x = 27,301.50

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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.