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Finding the Fourth Proportional to 8,495.73, 12,738.69 and 3,295.53

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Solution

The fourth proportional to 8,495.73, 12,738.69 and 3,295.53 is: 4,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.73 : 12,738.69 = 3,295.53 : x
  2. Step 2: Convert to fraction form
    8,495.73/12,738.69 = 3,295.53/x
  3. Step 3: Cross multiply
    8,495.73x = 12,738.69 × 3,295.53
  4. Step 4: Simplify right side
    8,495.73x = 41,980,735.06
  5. Step 5: Solve for x
    x = 41,980,735.06/8,495.73
  6. Step 6: Final answer
    x = 4,941.39

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1.5x scale

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.