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Finding the Fourth Proportional to 38,601.61, 57,893.70 and 19,607.01

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Solution

The fourth proportional to 38,601.61, 57,893.70 and 19,607.01 is: 29,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.61 : 57,893.70 = 19,607.01 : x
  2. Step 2: Convert to fraction form
    38,601.61/57,893.70 = 19,607.01/x
  3. Step 3: Cross multiply
    38,601.61x = 57,893.70 × 19,607.01
  4. Step 4: Simplify right side
    38,601.61x = 1,135,122,403.85
  5. Step 5: Solve for x
    x = 1,135,122,403.85/38,601.61
  6. Step 6: Final answer
    x = 29,406.09

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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.