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Finding the Fourth Proportional to 46,236.87, 69,369.89 and 19,953.99

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Solution

The fourth proportional to 46,236.87, 69,369.89 and 19,953.99 is: 29,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,236.87 : 69,369.89 = 19,953.99 : x
  2. Step 2: Convert to fraction form
    46,236.87/69,369.89 = 19,953.99/x
  3. Step 3: Cross multiply
    46,236.87x = 69,369.89 × 19,953.99
  4. Step 4: Simplify right side
    46,236.87x = 1,384,205,991.59
  5. Step 5: Solve for x
    x = 1,384,205,991.59/46,236.87
  6. Step 6: Final answer
    x = 29,937.28

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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.