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Finding the Fourth Proportional to 43,650.88, 65,485.43 and 14,071.70

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Solution

The fourth proportional to 43,650.88, 65,485.43 and 14,071.70 is: 21,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,650.88 : 65,485.43 = 14,071.70 : x
  2. Step 2: Convert to fraction form
    43,650.88/65,485.43 = 14,071.70/x
  3. Step 3: Cross multiply
    43,650.88x = 65,485.43 × 14,071.70
  4. Step 4: Simplify right side
    43,650.88x = 921,491,325.33
  5. Step 5: Solve for x
    x = 921,491,325.33/43,650.88
  6. Step 6: Final answer
    x = 21,110.49

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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.