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Finding the Fourth Proportional to 29,663.57, 40,935.02 and 16,234.80

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Solution

The fourth proportional to 29,663.57, 40,935.02 and 16,234.80 is: 22,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.57 : 40,935.02 = 16,234.80 : x
  2. Step 2: Convert to fraction form
    29,663.57/40,935.02 = 16,234.80/x
  3. Step 3: Cross multiply
    29,663.57x = 40,935.02 × 16,234.80
  4. Step 4: Simplify right side
    29,663.57x = 664,571,781.52
  5. Step 5: Solve for x
    x = 664,571,781.52/29,663.57
  6. Step 6: Final answer
    x = 22,403.64

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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.