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Finding the Fourth Proportional to 66,767.48, 100,150.91 and 27,324.60

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Solution

The fourth proportional to 66,767.48, 100,150.91 and 27,324.60 is: 40,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,767.48 : 100,150.91 = 27,324.60 : x
  2. Step 2: Convert to fraction form
    66,767.48/100,150.91 = 27,324.60/x
  3. Step 3: Cross multiply
    66,767.48x = 100,150.91 × 27,324.60
  4. Step 4: Simplify right side
    66,767.48x = 2,736,583,145.66
  5. Step 5: Solve for x
    x = 2,736,583,145.66/66,767.48
  6. Step 6: Final answer
    x = 40,986.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.