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Finding the Fourth Proportional to 51,673.56, 77,506.02 and 20,500.44

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Solution

The fourth proportional to 51,673.56, 77,506.02 and 20,500.44 is: 30,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,673.56 : 77,506.02 = 20,500.44 : x
  2. Step 2: Convert to fraction form
    51,673.56/77,506.02 = 20,500.44/x
  3. Step 3: Cross multiply
    51,673.56x = 77,506.02 × 20,500.44
  4. Step 4: Simplify right side
    51,673.56x = 1,588,907,512.65
  5. Step 5: Solve for x
    x = 1,588,907,512.65/51,673.56
  6. Step 6: Final answer
    x = 30,748.95

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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.