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Finding the Fourth Proportional to 49,608.94, 74,362.42 and 19,610.98

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Solution

The fourth proportional to 49,608.94, 74,362.42 and 19,610.98 is: 29,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,608.94 : 74,362.42 = 19,610.98 : x
  2. Step 2: Convert to fraction form
    49,608.94/74,362.42 = 19,610.98/x
  3. Step 3: Cross multiply
    49,608.94x = 74,362.42 × 19,610.98
  4. Step 4: Simplify right side
    49,608.94x = 1,458,319,931.37
  5. Step 5: Solve for x
    x = 1,458,319,931.37/49,608.94
  6. Step 6: Final answer
    x = 29,396.31

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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.