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Finding the Fourth Proportional to 18,441.80, 27,656.69 and 5,958.89

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Solution

The fourth proportional to 18,441.80, 27,656.69 and 5,958.89 is: 8,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.80 : 27,656.69 = 5,958.89 : x
  2. Step 2: Convert to fraction form
    18,441.80/27,656.69 = 5,958.89/x
  3. Step 3: Cross multiply
    18,441.80x = 27,656.69 × 5,958.89
  4. Step 4: Simplify right side
    18,441.80x = 164,803,005.40
  5. Step 5: Solve for x
    x = 164,803,005.40/18,441.80
  6. Step 6: Final answer
    x = 8,936.39

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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.