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Finding the Fourth Proportional to 61,202.94, 91,795.76 and 19,644.54

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Solution

The fourth proportional to 61,202.94, 91,795.76 and 19,644.54 is: 29,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,202.94 : 91,795.76 = 19,644.54 : x
  2. Step 2: Convert to fraction form
    61,202.94/91,795.76 = 19,644.54/x
  3. Step 3: Cross multiply
    61,202.94x = 91,795.76 × 19,644.54
  4. Step 4: Simplify right side
    61,202.94x = 1,803,285,479.15
  5. Step 5: Solve for x
    x = 1,803,285,479.15/61,202.94
  6. Step 6: Final answer
    x = 29,464.03

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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.