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Finding the Fourth Proportional to 18,486.73, 27,733.98 and 6,005.77

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Solution

The fourth proportional to 18,486.73, 27,733.98 and 6,005.77 is: 9,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.73 : 27,733.98 = 6,005.77 : x
  2. Step 2: Convert to fraction form
    18,486.73/27,733.98 = 6,005.77/x
  3. Step 3: Cross multiply
    18,486.73x = 27,733.98 × 6,005.77
  4. Step 4: Simplify right side
    18,486.73x = 166,563,905.06
  5. Step 5: Solve for x
    x = 166,563,905.06/18,486.73
  6. Step 6: Final answer
    x = 9,009.92

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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.