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Finding the Fourth Proportional to 29,974.80, 44,940.60 and 19,592.40

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Solution

The fourth proportional to 29,974.80, 44,940.60 and 19,592.40 is: 29,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,974.80 : 44,940.60 = 19,592.40 : x
  2. Step 2: Convert to fraction form
    29,974.80/44,940.60 = 19,592.40/x
  3. Step 3: Cross multiply
    29,974.80x = 44,940.60 × 19,592.40
  4. Step 4: Simplify right side
    29,974.80x = 880,494,211.44
  5. Step 5: Solve for x
    x = 880,494,211.44/29,974.80
  6. Step 6: Final answer
    x = 29,374.48

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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.