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Finding the Fourth Proportional to 23,076.80, 34,629.80 and 13,235.30

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Solution

The fourth proportional to 23,076.80, 34,629.80 and 13,235.30 is: 19,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,076.80 : 34,629.80 = 13,235.30 : x
  2. Step 2: Convert to fraction form
    23,076.80/34,629.80 = 13,235.30/x
  3. Step 3: Cross multiply
    23,076.80x = 34,629.80 × 13,235.30
  4. Step 4: Simplify right side
    23,076.80x = 458,335,791.94
  5. Step 5: Solve for x
    x = 458,335,791.94/23,076.80
  6. Step 6: Final answer
    x = 19,861.32

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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.