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Finding the Fourth Proportional to 4,613.45, 6,921.27 and 1,493.45

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Solution

The fourth proportional to 4,613.45, 6,921.27 and 1,493.45 is: 2,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.45 : 6,921.27 = 1,493.45 : x
  2. Step 2: Convert to fraction form
    4,613.45/6,921.27 = 1,493.45/x
  3. Step 3: Cross multiply
    4,613.45x = 6,921.27 × 1,493.45
  4. Step 4: Simplify right side
    4,613.45x = 10,336,603.76
  5. Step 5: Solve for x
    x = 10,336,603.76/4,613.45
  6. Step 6: Final answer
    x = 2,240.54

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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.