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Finding the Fourth Proportional to 43,795.43, 65,693.09 and 14,213.27

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Solution

The fourth proportional to 43,795.43, 65,693.09 and 14,213.27 is: 21,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,795.43 : 65,693.09 = 14,213.27 : x
  2. Step 2: Convert to fraction form
    43,795.43/65,693.09 = 14,213.27/x
  3. Step 3: Cross multiply
    43,795.43x = 65,693.09 × 14,213.27
  4. Step 4: Simplify right side
    43,795.43x = 933,713,225.77
  5. Step 5: Solve for x
    x = 933,713,225.77/43,795.43
  6. Step 6: Final answer
    x = 21,319.88

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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.