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Finding the Fourth Proportional to 4,793.56, 6,613.50 and 2,803

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Solution

The fourth proportional to 4,793.56, 6,613.50 and 2,803 is: 3,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.56 : 6,613.50 = 2,803 : x
  2. Step 2: Convert to fraction form
    4,793.56/6,613.50 = 2,803/x
  3. Step 3: Cross multiply
    4,793.56x = 6,613.50 × 2,803
  4. Step 4: Simplify right side
    4,793.56x = 18,537,640.50
  5. Step 5: Solve for x
    x = 18,537,640.50/4,793.56
  6. Step 6: Final answer
    x = 3,867.20

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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.