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Finding the Fourth Proportional to 43,937.28, 65,914.43 and 14,347.17

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Solution

The fourth proportional to 43,937.28, 65,914.43 and 14,347.17 is: 21,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,937.28 : 65,914.43 = 14,347.17 : x
  2. Step 2: Convert to fraction form
    43,937.28/65,914.43 = 14,347.17/x
  3. Step 3: Cross multiply
    43,937.28x = 65,914.43 × 14,347.17
  4. Step 4: Simplify right side
    43,937.28x = 945,685,460.93
  5. Step 5: Solve for x
    x = 945,685,460.93/43,937.28
  6. Step 6: Final answer
    x = 21,523.53

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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.