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Finding the Fourth Proportional to 4,893.62, 7,340.29 and 1,605.89

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Solution

The fourth proportional to 4,893.62, 7,340.29 and 1,605.89 is: 2,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.62 : 7,340.29 = 1,605.89 : x
  2. Step 2: Convert to fraction form
    4,893.62/7,340.29 = 1,605.89/x
  3. Step 3: Cross multiply
    4,893.62x = 7,340.29 × 1,605.89
  4. Step 4: Simplify right side
    4,893.62x = 11,787,712.64
  5. Step 5: Solve for x
    x = 11,787,712.64/4,893.62
  6. Step 6: Final answer
    x = 2,408.79

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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.