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Finding the Fourth Proportional to 36,576.65, 50,475.78 and 19,809.65

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Solution

The fourth proportional to 36,576.65, 50,475.78 and 19,809.65 is: 27,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576.65 : 50,475.78 = 19,809.65 : x
  2. Step 2: Convert to fraction form
    36,576.65/50,475.78 = 19,809.65/x
  3. Step 3: Cross multiply
    36,576.65x = 50,475.78 × 19,809.65
  4. Step 4: Simplify right side
    36,576.65x = 999,907,460.99
  5. Step 5: Solve for x
    x = 999,907,460.99/36,576.65
  6. Step 6: Final answer
    x = 27,337.32

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Half scale
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Double scale
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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.