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Finding the Fourth Proportional to 57,691,896.60, 86,537,844.90 and 17,302,380.60

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Solution

The fourth proportional to 57,691,896.60, 86,537,844.90 and 17,302,380.60 is: 25,953,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,691,896.60 : 86,537,844.90 = 17,302,380.60 : x
  2. Step 2: Convert to fraction form
    57,691,896.60/86,537,844.90 = 17,302,380.60/x
  3. Step 3: Cross multiply
    57,691,896.60x = 86,537,844.90 × 17,302,380.60
  4. Step 4: Simplify right side
    57,691,896.60x = 1,497,310,728,763,569.25
  5. Step 5: Solve for x
    x = 1,497,310,728,763,569.25/57,691,896.60
  6. Step 6: Final answer
    x = 25,953,570.90

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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.