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Finding the Fourth Proportional to 29,992.56, 41,390.13 and 16,563.77

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Solution

The fourth proportional to 29,992.56, 41,390.13 and 16,563.77 is: 22,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.56 : 41,390.13 = 16,563.77 : x
  2. Step 2: Convert to fraction form
    29,992.56/41,390.13 = 16,563.77/x
  3. Step 3: Cross multiply
    29,992.56x = 41,390.13 × 16,563.77
  4. Step 4: Simplify right side
    29,992.56x = 685,576,593.59
  5. Step 5: Solve for x
    x = 685,576,593.59/29,992.56
  6. Step 6: Final answer
    x = 22,858.22

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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.