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Finding the Fourth Proportional to 29,994.80, 45,024.60 and 16,872.80

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Solution

The fourth proportional to 29,994.80, 45,024.60 and 16,872.80 is: 25,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,994.80 : 45,024.60 = 16,872.80 : x
  2. Step 2: Convert to fraction form
    29,994.80/45,024.60 = 16,872.80/x
  3. Step 3: Cross multiply
    29,994.80x = 45,024.60 × 16,872.80
  4. Step 4: Simplify right side
    29,994.80x = 759,691,070.88
  5. Step 5: Solve for x
    x = 759,691,070.88/29,994.80
  6. Step 6: Final answer
    x = 25,327.43

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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.