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Finding the Fourth Proportional to 48,604.51, 72,916.94 and 20,524.65

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Solution

The fourth proportional to 48,604.51, 72,916.94 and 20,524.65 is: 30,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604.51 : 72,916.94 = 20,524.65 : x
  2. Step 2: Convert to fraction form
    48,604.51/72,916.94 = 20,524.65/x
  3. Step 3: Cross multiply
    48,604.51x = 72,916.94 × 20,524.65
  4. Step 4: Simplify right side
    48,604.51x = 1,496,594,672.57
  5. Step 5: Solve for x
    x = 1,496,594,672.57/48,604.51
  6. Step 6: Final answer
    x = 30,791.27

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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.