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Finding the Fourth Proportional to 46,665, 69,993.72 and 18,583.92

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Solution

The fourth proportional to 46,665, 69,993.72 and 18,583.92 is: 27,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,665 : 69,993.72 = 18,583.92 : x
  2. Step 2: Convert to fraction form
    46,665/69,993.72 = 18,583.92/x
  3. Step 3: Cross multiply
    46,665x = 69,993.72 × 18,583.92
  4. Step 4: Simplify right side
    46,665x = 1,300,757,692.98
  5. Step 5: Solve for x
    x = 1,300,757,692.98/46,665
  6. Step 6: Final answer
    x = 27,874.37

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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.