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Finding the Fourth Proportional to 7,489.98, 11,234.57 and 2,295.86

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Solution

The fourth proportional to 7,489.98, 11,234.57 and 2,295.86 is: 3,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.98 : 11,234.57 = 2,295.86 : x
  2. Step 2: Convert to fraction form
    7,489.98/11,234.57 = 2,295.86/x
  3. Step 3: Cross multiply
    7,489.98x = 11,234.57 × 2,295.86
  4. Step 4: Simplify right side
    7,489.98x = 25,792,932.23
  5. Step 5: Solve for x
    x = 25,792,932.23/7,489.98
  6. Step 6: Final answer
    x = 3,443.66

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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.