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Finding the Fourth Proportional to 69,888, 104,890.32 and 32,952

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Solution

The fourth proportional to 69,888, 104,890.32 and 32,952 is: 49,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,888 : 104,890.32 = 32,952 : x
  2. Step 2: Convert to fraction form
    69,888/104,890.32 = 32,952/x
  3. Step 3: Cross multiply
    69,888x = 104,890.32 × 32,952
  4. Step 4: Simplify right side
    69,888x = 3,456,345,824.64
  5. Step 5: Solve for x
    x = 3,456,345,824.64/69,888
  6. Step 6: Final answer
    x = 49,455.50

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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.