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Finding the Fourth Proportional to 29,991, 41,389.22 and 16,562.22

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Solution

The fourth proportional to 29,991, 41,389.22 and 16,562.22 is: 22,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991 : 41,389.22 = 16,562.22 : x
  2. Step 2: Convert to fraction form
    29,991/41,389.22 = 16,562.22/x
  3. Step 3: Cross multiply
    29,991x = 41,389.22 × 16,562.22
  4. Step 4: Simplify right side
    29,991x = 685,497,367.27
  5. Step 5: Solve for x
    x = 685,497,367.27/29,991
  6. Step 6: Final answer
    x = 22,856.77

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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.