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Finding the Fourth Proportional to 18,595.44, 25,660.13 and 10,636.11

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Solution

The fourth proportional to 18,595.44, 25,660.13 and 10,636.11 is: 14,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.44 : 25,660.13 = 10,636.11 : x
  2. Step 2: Convert to fraction form
    18,595.44/25,660.13 = 10,636.11/x
  3. Step 3: Cross multiply
    18,595.44x = 25,660.13 × 10,636.11
  4. Step 4: Simplify right side
    18,595.44x = 272,923,912.11
  5. Step 5: Solve for x
    x = 272,923,912.11/18,595.44
  6. Step 6: Final answer
    x = 14,676.93

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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.