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Finding the Fourth Proportional to 52,231.68, 72,072.72 and 33,355.44

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Solution

The fourth proportional to 52,231.68, 72,072.72 and 33,355.44 is: 46,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.68 : 72,072.72 = 33,355.44 : x
  2. Step 2: Convert to fraction form
    52,231.68/72,072.72 = 33,355.44/x
  3. Step 3: Cross multiply
    52,231.68x = 72,072.72 × 33,355.44
  4. Step 4: Simplify right side
    52,231.68x = 2,404,017,287.60
  5. Step 5: Solve for x
    x = 2,404,017,287.60/52,231.68
  6. Step 6: Final answer
    x = 46,026.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.