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Finding the Fourth Proportional to 8,296.58, 12,445.99 and 2,748.10

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Solution

The fourth proportional to 8,296.58, 12,445.99 and 2,748.10 is: 4,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.58 : 12,445.99 = 2,748.10 : x
  2. Step 2: Convert to fraction form
    8,296.58/12,445.99 = 2,748.10/x
  3. Step 3: Cross multiply
    8,296.58x = 12,445.99 × 2,748.10
  4. Step 4: Simplify right side
    8,296.58x = 34,202,825.12
  5. Step 5: Solve for x
    x = 34,202,825.12/8,296.58
  6. Step 6: Final answer
    x = 4,122.52

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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.