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Finding the Fourth Proportional to 4,486.04, 6,730.13 and 1,408.04

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Solution

The fourth proportional to 4,486.04, 6,730.13 and 1,408.04 is: 2,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.04 : 6,730.13 = 1,408.04 : x
  2. Step 2: Convert to fraction form
    4,486.04/6,730.13 = 1,408.04/x
  3. Step 3: Cross multiply
    4,486.04x = 6,730.13 × 1,408.04
  4. Step 4: Simplify right side
    4,486.04x = 9,476,251.55
  5. Step 5: Solve for x
    x = 9,476,251.55/4,486.04
  6. Step 6: Final answer
    x = 2,112.39

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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.