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Finding the Fourth Proportional to 18,219.96, 27,333.78 and 5,907

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Solution

The fourth proportional to 18,219.96, 27,333.78 and 5,907 is: 8,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.96 : 27,333.78 = 5,907 : x
  2. Step 2: Convert to fraction form
    18,219.96/27,333.78 = 5,907/x
  3. Step 3: Cross multiply
    18,219.96x = 27,333.78 × 5,907
  4. Step 4: Simplify right side
    18,219.96x = 161,460,638.46
  5. Step 5: Solve for x
    x = 161,460,638.46/18,219.96
  6. Step 6: Final answer
    x = 8,861.74

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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.