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Finding the Fourth Proportional to 4,992.78, 7,484.85 and 2,397.54

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Solution

The fourth proportional to 4,992.78, 7,484.85 and 2,397.54 is: 3,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.78 : 7,484.85 = 2,397.54 : x
  2. Step 2: Convert to fraction form
    4,992.78/7,484.85 = 2,397.54/x
  3. Step 3: Cross multiply
    4,992.78x = 7,484.85 × 2,397.54
  4. Step 4: Simplify right side
    4,992.78x = 17,945,227.27
  5. Step 5: Solve for x
    x = 17,945,227.27/4,992.78
  6. Step 6: Final answer
    x = 3,594.24

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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.