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Finding the Fourth Proportional to 8,296.63, 12,442.60 and 3,296.76

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Solution

The fourth proportional to 8,296.63, 12,442.60 and 3,296.76 is: 4,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.63 : 12,442.60 = 3,296.76 : x
  2. Step 2: Convert to fraction form
    8,296.63/12,442.60 = 3,296.76/x
  3. Step 3: Cross multiply
    8,296.63x = 12,442.60 × 3,296.76
  4. Step 4: Simplify right side
    8,296.63x = 41,020,265.98
  5. Step 5: Solve for x
    x = 41,020,265.98/8,296.63
  6. Step 6: Final answer
    x = 4,944.21

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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.