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Finding the Fourth Proportional to 43,592.61, 65,374.52 and 16,936.72

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Solution

The fourth proportional to 43,592.61, 65,374.52 and 16,936.72 is: 25,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,592.61 : 65,374.52 = 16,936.72 : x
  2. Step 2: Convert to fraction form
    43,592.61/65,374.52 = 16,936.72/x
  3. Step 3: Cross multiply
    43,592.61x = 65,374.52 × 16,936.72
  4. Step 4: Simplify right side
    43,592.61x = 1,107,229,923.75
  5. Step 5: Solve for x
    x = 1,107,229,923.75/43,592.61
  6. Step 6: Final answer
    x = 25,399.49

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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.