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Finding the Fourth Proportional to 18,234, 25,162.92 and 9,850.50

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Solution

The fourth proportional to 18,234, 25,162.92 and 9,850.50 is: 13,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234 : 25,162.92 = 9,850.50 : x
  2. Step 2: Convert to fraction form
    18,234/25,162.92 = 9,850.50/x
  3. Step 3: Cross multiply
    18,234x = 25,162.92 × 9,850.50
  4. Step 4: Simplify right side
    18,234x = 247,867,343.46
  5. Step 5: Solve for x
    x = 247,867,343.46/18,234
  6. Step 6: Final answer
    x = 13,593.69

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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.