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Finding the Fourth Proportional to 5,047.72, 7,601.95 and 4,469.99

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Solution

The fourth proportional to 5,047.72, 7,601.95 and 4,469.99 is: 6,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.72 : 7,601.95 = 4,469.99 : x
  2. Step 2: Convert to fraction form
    5,047.72/7,601.95 = 4,469.99/x
  3. Step 3: Cross multiply
    5,047.72x = 7,601.95 × 4,469.99
  4. Step 4: Simplify right side
    5,047.72x = 33,980,608.06
  5. Step 5: Solve for x
    x = 33,980,608.06/5,047.72
  6. Step 6: Final answer
    x = 6,731.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.