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Finding the Fourth Proportional to 36,485.89, 54,742.04 and 14,314.41

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Solution

The fourth proportional to 36,485.89, 54,742.04 and 14,314.41 is: 21,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.89 : 54,742.04 = 14,314.41 : x
  2. Step 2: Convert to fraction form
    36,485.89/54,742.04 = 14,314.41/x
  3. Step 3: Cross multiply
    36,485.89x = 54,742.04 × 14,314.41
  4. Step 4: Simplify right side
    36,485.89x = 783,600,040.58
  5. Step 5: Solve for x
    x = 783,600,040.58/36,485.89
  6. Step 6: Final answer
    x = 21,476.80

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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.