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Finding the Fourth Proportional to 4,995.54, 7,499.79 and 3,271.86

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Solution

The fourth proportional to 4,995.54, 7,499.79 and 3,271.86 is: 4,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.54 : 7,499.79 = 3,271.86 : x
  2. Step 2: Convert to fraction form
    4,995.54/7,499.79 = 3,271.86/x
  3. Step 3: Cross multiply
    4,995.54x = 7,499.79 × 3,271.86
  4. Step 4: Simplify right side
    4,995.54x = 24,538,262.91
  5. Step 5: Solve for x
    x = 24,538,262.91/4,995.54
  6. Step 6: Final answer
    x = 4,912.03

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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.