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Finding the Fourth Proportional to 49,672.25, 74,512.03 and 14,613.42

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Solution

The fourth proportional to 49,672.25, 74,512.03 and 14,613.42 is: 21,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.25 : 74,512.03 = 14,613.42 : x
  2. Step 2: Convert to fraction form
    49,672.25/74,512.03 = 14,613.42/x
  3. Step 3: Cross multiply
    49,672.25x = 74,512.03 × 14,613.42
  4. Step 4: Simplify right side
    49,672.25x = 1,088,875,589.44
  5. Step 5: Solve for x
    x = 1,088,875,589.44/49,672.25
  6. Step 6: Final answer
    x = 21,921.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.