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Finding the Fourth Proportional to 29,996.80, 45,027.60 and 16,874.80

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Solution

The fourth proportional to 29,996.80, 45,027.60 and 16,874.80 is: 25,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,996.80 : 45,027.60 = 16,874.80 : x
  2. Step 2: Convert to fraction form
    29,996.80/45,027.60 = 16,874.80/x
  3. Step 3: Cross multiply
    29,996.80x = 45,027.60 × 16,874.80
  4. Step 4: Simplify right side
    29,996.80x = 759,831,744.48
  5. Step 5: Solve for x
    x = 759,831,744.48/29,996.80
  6. Step 6: Final answer
    x = 25,330.43

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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.