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Finding the Fourth Proportional to 8,599.73, 12,899.75 and 2,756.34

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Solution

The fourth proportional to 8,599.73, 12,899.75 and 2,756.34 is: 4,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.73 : 12,899.75 = 2,756.34 : x
  2. Step 2: Convert to fraction form
    8,599.73/12,899.75 = 2,756.34/x
  3. Step 3: Cross multiply
    8,599.73x = 12,899.75 × 2,756.34
  4. Step 4: Simplify right side
    8,599.73x = 35,556,083.13
  5. Step 5: Solve for x
    x = 35,556,083.13/8,599.73
  6. Step 6: Final answer
    x = 4,134.56

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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.