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Finding the Fourth Proportional to 5,616.75, 7,751.09 and 3,099.02

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Solution

The fourth proportional to 5,616.75, 7,751.09 and 3,099.02 is: 4,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.75 : 7,751.09 = 3,099.02 : x
  2. Step 2: Convert to fraction form
    5,616.75/7,751.09 = 3,099.02/x
  3. Step 3: Cross multiply
    5,616.75x = 7,751.09 × 3,099.02
  4. Step 4: Simplify right side
    5,616.75x = 24,020,782.93
  5. Step 5: Solve for x
    x = 24,020,782.93/5,616.75
  6. Step 6: Final answer
    x = 4,276.63

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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.