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Finding the Fourth Proportional to 43,392.44, 65,098.43 and 15,314.49

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Solution

The fourth proportional to 43,392.44, 65,098.43 and 15,314.49 is: 22,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.44 : 65,098.43 = 15,314.49 : x
  2. Step 2: Convert to fraction form
    43,392.44/65,098.43 = 15,314.49/x
  3. Step 3: Cross multiply
    43,392.44x = 65,098.43 × 15,314.49
  4. Step 4: Simplify right side
    43,392.44x = 996,949,178.68
  5. Step 5: Solve for x
    x = 996,949,178.68/43,392.44
  6. Step 6: Final answer
    x = 22,975.18

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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.