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Finding the Fourth Proportional to 43,052.80, 64,557.60 and 19,652.80

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Solution

The fourth proportional to 43,052.80, 64,557.60 and 19,652.80 is: 29,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,052.80 : 64,557.60 = 19,652.80 : x
  2. Step 2: Convert to fraction form
    43,052.80/64,557.60 = 19,652.80/x
  3. Step 3: Cross multiply
    43,052.80x = 64,557.60 × 19,652.80
  4. Step 4: Simplify right side
    43,052.80x = 1,268,737,601.28
  5. Step 5: Solve for x
    x = 1,268,737,601.28/43,052.80
  6. Step 6: Final answer
    x = 29,469.34

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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.