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Finding the Fourth Proportional to 21,795.73, 32,682.23 and 7,753.72

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Solution

The fourth proportional to 21,795.73, 32,682.23 and 7,753.72 is: 11,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.73 : 32,682.23 = 7,753.72 : x
  2. Step 2: Convert to fraction form
    21,795.73/32,682.23 = 7,753.72/x
  3. Step 3: Cross multiply
    21,795.73x = 32,682.23 × 7,753.72
  4. Step 4: Simplify right side
    21,795.73x = 253,408,739.92
  5. Step 5: Solve for x
    x = 253,408,739.92/21,795.73
  6. Step 6: Final answer
    x = 11,626.53

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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.