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Finding the Fourth Proportional to 49,240.36, 73,815.04 and 19,651

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Solution

The fourth proportional to 49,240.36, 73,815.04 and 19,651 is: 29,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,240.36 : 73,815.04 = 19,651 : x
  2. Step 2: Convert to fraction form
    49,240.36/73,815.04 = 19,651/x
  3. Step 3: Cross multiply
    49,240.36x = 73,815.04 × 19,651
  4. Step 4: Simplify right side
    49,240.36x = 1,450,539,351.04
  5. Step 5: Solve for x
    x = 1,450,539,351.04/49,240.36
  6. Step 6: Final answer
    x = 29,458.34

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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.