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Finding the Fourth Proportional to 18,006.54, 27,009.81 and 14,922.06

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Solution

The fourth proportional to 18,006.54, 27,009.81 and 14,922.06 is: 22,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.54 : 27,009.81 = 14,922.06 : x
  2. Step 2: Convert to fraction form
    18,006.54/27,009.81 = 14,922.06/x
  3. Step 3: Cross multiply
    18,006.54x = 27,009.81 × 14,922.06
  4. Step 4: Simplify right side
    18,006.54x = 403,042,005.41
  5. Step 5: Solve for x
    x = 403,042,005.41/18,006.54
  6. Step 6: Final answer
    x = 22,383.09

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1.5x scale

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.