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Finding the Fourth Proportional to 32,690.98, 48,974.60 and 19,323.96

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Solution

The fourth proportional to 32,690.98, 48,974.60 and 19,323.96 is: 28,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.98 : 48,974.60 = 19,323.96 : x
  2. Step 2: Convert to fraction form
    32,690.98/48,974.60 = 19,323.96/x
  3. Step 3: Cross multiply
    32,690.98x = 48,974.60 × 19,323.96
  4. Step 4: Simplify right side
    32,690.98x = 946,383,211.42
  5. Step 5: Solve for x
    x = 946,383,211.42/32,690.98
  6. Step 6: Final answer
    x = 28,949.37

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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.