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Finding the Fourth Proportional to 46,604.76, 69,879.49 and 18,509.70

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Solution

The fourth proportional to 46,604.76, 69,879.49 and 18,509.70 is: 27,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,604.76 : 69,879.49 = 18,509.70 : x
  2. Step 2: Convert to fraction form
    46,604.76/69,879.49 = 18,509.70/x
  3. Step 3: Cross multiply
    46,604.76x = 69,879.49 × 18,509.70
  4. Step 4: Simplify right side
    46,604.76x = 1,293,448,396.05
  5. Step 5: Solve for x
    x = 1,293,448,396.05/46,604.76
  6. Step 6: Final answer
    x = 27,753.57

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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.