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Finding the Fourth Proportional to 43,675.80, 65,513.70 and 14,094.60

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Solution

The fourth proportional to 43,675.80, 65,513.70 and 14,094.60 is: 21,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.80 : 65,513.70 = 14,094.60 : x
  2. Step 2: Convert to fraction form
    43,675.80/65,513.70 = 14,094.60/x
  3. Step 3: Cross multiply
    43,675.80x = 65,513.70 × 14,094.60
  4. Step 4: Simplify right side
    43,675.80x = 923,389,396.02
  5. Step 5: Solve for x
    x = 923,389,396.02/43,675.80
  6. Step 6: Final answer
    x = 21,141.90

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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.