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Finding the Fourth Proportional to 62,756.44, 94,114.72 and 20,626.80

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Solution

The fourth proportional to 62,756.44, 94,114.72 and 20,626.80 is: 30,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,756.44 : 94,114.72 = 20,626.80 : x
  2. Step 2: Convert to fraction form
    62,756.44/94,114.72 = 20,626.80/x
  3. Step 3: Cross multiply
    62,756.44x = 94,114.72 × 20,626.80
  4. Step 4: Simplify right side
    62,756.44x = 1,941,285,506.50
  5. Step 5: Solve for x
    x = 1,941,285,506.50/62,756.44
  6. Step 6: Final answer
    x = 30,933.65

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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.