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Finding the Fourth Proportional to 4,893.50, 7,338.71 and 1,605.82

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Solution

The fourth proportional to 4,893.50, 7,338.71 and 1,605.82 is: 2,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.50 : 7,338.71 = 1,605.82 : x
  2. Step 2: Convert to fraction form
    4,893.50/7,338.71 = 1,605.82/x
  3. Step 3: Cross multiply
    4,893.50x = 7,338.71 × 1,605.82
  4. Step 4: Simplify right side
    4,893.50x = 11,784,647.29
  5. Step 5: Solve for x
    x = 11,784,647.29/4,893.50
  6. Step 6: Final answer
    x = 2,408.22

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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.