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Finding the Fourth Proportional to 36,494.64, 54,741.84 and 8,792.64

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Solution

The fourth proportional to 36,494.64, 54,741.84 and 8,792.64 is: 13,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,494.64 : 54,741.84 = 8,792.64 : x
  2. Step 2: Convert to fraction form
    36,494.64/54,741.84 = 8,792.64/x
  3. Step 3: Cross multiply
    36,494.64x = 54,741.84 × 8,792.64
  4. Step 4: Simplify right side
    36,494.64x = 481,325,292.06
  5. Step 5: Solve for x
    x = 481,325,292.06/36,494.64
  6. Step 6: Final answer
    x = 13,188.93

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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.