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Finding the Fourth Proportional to 21,847.52, 32,773.40 and 8,696.81

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Solution

The fourth proportional to 21,847.52, 32,773.40 and 8,696.81 is: 13,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.52 : 32,773.40 = 8,696.81 : x
  2. Step 2: Convert to fraction form
    21,847.52/32,773.40 = 8,696.81/x
  3. Step 3: Cross multiply
    21,847.52x = 32,773.40 × 8,696.81
  4. Step 4: Simplify right side
    21,847.52x = 285,023,890.73
  5. Step 5: Solve for x
    x = 285,023,890.73/21,847.52
  6. Step 6: Final answer
    x = 13,046.06

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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.