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Finding the Fourth Proportional to 4,938.99, 7,404.63 and 2,472.54

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Solution

The fourth proportional to 4,938.99, 7,404.63 and 2,472.54 is: 3,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.99 : 7,404.63 = 2,472.54 : x
  2. Step 2: Convert to fraction form
    4,938.99/7,404.63 = 2,472.54/x
  3. Step 3: Cross multiply
    4,938.99x = 7,404.63 × 2,472.54
  4. Step 4: Simplify right side
    4,938.99x = 18,308,243.86
  5. Step 5: Solve for x
    x = 18,308,243.86/4,938.99
  6. Step 6: Final answer
    x = 3,706.88

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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.