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Finding the Fourth Proportional to 46,353.72, 69,529.86 and 18,651

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Solution

The fourth proportional to 46,353.72, 69,529.86 and 18,651 is: 27,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,353.72 : 69,529.86 = 18,651 : x
  2. Step 2: Convert to fraction form
    46,353.72/69,529.86 = 18,651/x
  3. Step 3: Cross multiply
    46,353.72x = 69,529.86 × 18,651
  4. Step 4: Simplify right side
    46,353.72x = 1,296,801,418.86
  5. Step 5: Solve for x
    x = 1,296,801,418.86/46,353.72
  6. Step 6: Final answer
    x = 27,976.21

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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.