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Finding the Fourth Proportional to 36,406.41, 54,609.62 and 11,448.64

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Solution

The fourth proportional to 36,406.41, 54,609.62 and 11,448.64 is: 17,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.41 : 54,609.62 = 11,448.64 : x
  2. Step 2: Convert to fraction form
    36,406.41/54,609.62 = 11,448.64/x
  3. Step 3: Cross multiply
    36,406.41x = 54,609.62 × 11,448.64
  4. Step 4: Simplify right side
    36,406.41x = 625,205,923.13
  5. Step 5: Solve for x
    x = 625,205,923.13/36,406.41
  6. Step 6: Final answer
    x = 17,172.96

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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.