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Finding the Fourth Proportional to 18,605.56, 25,676.22 and 10,650.34

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Solution

The fourth proportional to 18,605.56, 25,676.22 and 10,650.34 is: 14,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.56 : 25,676.22 = 10,650.34 : x
  2. Step 2: Convert to fraction form
    18,605.56/25,676.22 = 10,650.34/x
  3. Step 3: Cross multiply
    18,605.56x = 25,676.22 × 10,650.34
  4. Step 4: Simplify right side
    18,605.56x = 273,460,472.91
  5. Step 5: Solve for x
    x = 273,460,472.91/18,605.56
  6. Step 6: Final answer
    x = 14,697.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.