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Finding the Fourth Proportional to 29,993.77, 41,391.29 and 16,566.49

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Solution

The fourth proportional to 29,993.77, 41,391.29 and 16,566.49 is: 22,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.77 : 41,391.29 = 16,566.49 : x
  2. Step 2: Convert to fraction form
    29,993.77/41,391.29 = 16,566.49/x
  3. Step 3: Cross multiply
    29,993.77x = 41,391.29 × 16,566.49
  4. Step 4: Simplify right side
    29,993.77x = 685,708,329.81
  5. Step 5: Solve for x
    x = 685,708,329.81/29,993.77
  6. Step 6: Final answer
    x = 22,861.69

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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.