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Finding the Fourth Proportional to 8,605.02, 12,907.26 and 2,449.02

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Solution

The fourth proportional to 8,605.02, 12,907.26 and 2,449.02 is: 3,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.02 : 12,907.26 = 2,449.02 : x
  2. Step 2: Convert to fraction form
    8,605.02/12,907.26 = 2,449.02/x
  3. Step 3: Cross multiply
    8,605.02x = 12,907.26 × 2,449.02
  4. Step 4: Simplify right side
    8,605.02x = 31,610,137.89
  5. Step 5: Solve for x
    x = 31,610,137.89/8,605.02
  6. Step 6: Final answer
    x = 3,673.45

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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.