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Finding the Fourth Proportional to 60,758.37, 91,155.06 and 18,644.64

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Solution

The fourth proportional to 60,758.37, 91,155.06 and 18,644.64 is: 27,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,758.37 : 91,155.06 = 18,644.64 : x
  2. Step 2: Convert to fraction form
    60,758.37/91,155.06 = 18,644.64/x
  3. Step 3: Cross multiply
    60,758.37x = 91,155.06 × 18,644.64
  4. Step 4: Simplify right side
    60,758.37x = 1,699,553,277.88
  5. Step 5: Solve for x
    x = 1,699,553,277.88/60,758.37
  6. Step 6: Final answer
    x = 27,972.33

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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.