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Finding the Fourth Proportional to 29,674.72, 40,949.88 and 16,245.64

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Solution

The fourth proportional to 29,674.72, 40,949.88 and 16,245.64 is: 22,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,674.72 : 40,949.88 = 16,245.64 : x
  2. Step 2: Convert to fraction form
    29,674.72/40,949.88 = 16,245.64/x
  3. Step 3: Cross multiply
    29,674.72x = 40,949.88 × 16,245.64
  4. Step 4: Simplify right side
    29,674.72x = 665,257,008.52
  5. Step 5: Solve for x
    x = 665,257,008.52/29,674.72
  6. Step 6: Final answer
    x = 22,418.31

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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.