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Finding the Fourth Proportional to 29,596.40, 40,811.97 and 19,511.94

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Solution

The fourth proportional to 29,596.40, 40,811.97 and 19,511.94 is: 26,906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,596.40 : 40,811.97 = 19,511.94 : x
  2. Step 2: Convert to fraction form
    29,596.40/40,811.97 = 19,511.94/x
  3. Step 3: Cross multiply
    29,596.40x = 40,811.97 × 19,511.94
  4. Step 4: Simplify right side
    29,596.40x = 796,320,709.92
  5. Step 5: Solve for x
    x = 796,320,709.92/29,596.40
  6. Step 6: Final answer
    x = 26,906.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.