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Finding the Fourth Proportional to 18,374.94, 27,545.70 and 6,679.89

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Solution

The fourth proportional to 18,374.94, 27,545.70 and 6,679.89 is: 10,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.94 : 27,545.70 = 6,679.89 : x
  2. Step 2: Convert to fraction form
    18,374.94/27,545.70 = 6,679.89/x
  3. Step 3: Cross multiply
    18,374.94x = 27,545.70 × 6,679.89
  4. Step 4: Simplify right side
    18,374.94x = 184,002,245.97
  5. Step 5: Solve for x
    x = 184,002,245.97/18,374.94
  6. Step 6: Final answer
    x = 10,013.76

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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.