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Finding the Fourth Proportional to 18,162.67, 25,064.50 and 10,204.89

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Solution

The fourth proportional to 18,162.67, 25,064.50 and 10,204.89 is: 14,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.67 : 25,064.50 = 10,204.89 : x
  2. Step 2: Convert to fraction form
    18,162.67/25,064.50 = 10,204.89/x
  3. Step 3: Cross multiply
    18,162.67x = 25,064.50 × 10,204.89
  4. Step 4: Simplify right side
    18,162.67x = 255,780,289.06
  5. Step 5: Solve for x
    x = 255,780,289.06/18,162.67
  6. Step 6: Final answer
    x = 14,082.75

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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.