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Finding the Fourth Proportional to 43,893.63, 65,846.79 and 14,304.15

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Solution

The fourth proportional to 43,893.63, 65,846.79 and 14,304.15 is: 21,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893.63 : 65,846.79 = 14,304.15 : x
  2. Step 2: Convert to fraction form
    43,893.63/65,846.79 = 14,304.15/x
  3. Step 3: Cross multiply
    43,893.63x = 65,846.79 × 14,304.15
  4. Step 4: Simplify right side
    43,893.63x = 941,882,361.18
  5. Step 5: Solve for x
    x = 941,882,361.18/43,893.63
  6. Step 6: Final answer
    x = 21,458.29

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1.5x scale

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.