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Finding the Fourth Proportional to 23,149.60, 34,740.60 and 14,849.80

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Solution

The fourth proportional to 23,149.60, 34,740.60 and 14,849.80 is: 22,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.60 : 34,740.60 = 14,849.80 : x
  2. Step 2: Convert to fraction form
    23,149.60/34,740.60 = 14,849.80/x
  3. Step 3: Cross multiply
    23,149.60x = 34,740.60 × 14,849.80
  4. Step 4: Simplify right side
    23,149.60x = 515,890,961.88
  5. Step 5: Solve for x
    x = 515,890,961.88/23,149.60
  6. Step 6: Final answer
    x = 22,285.09

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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.