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Finding the Fourth Proportional to 43,914.87, 65,872.47 and 10,634.88

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Solution

The fourth proportional to 43,914.87, 65,872.47 and 10,634.88 is: 15,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,914.87 : 65,872.47 = 10,634.88 : x
  2. Step 2: Convert to fraction form
    43,914.87/65,872.47 = 10,634.88/x
  3. Step 3: Cross multiply
    43,914.87x = 65,872.47 × 10,634.88
  4. Step 4: Simplify right side
    43,914.87x = 700,545,484.39
  5. Step 5: Solve for x
    x = 700,545,484.39/43,914.87
  6. Step 6: Final answer
    x = 15,952.35

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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.