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Finding the Fourth Proportional to 11,651.73, 17,478.12 and 3,332.94

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Solution

The fourth proportional to 11,651.73, 17,478.12 and 3,332.94 is: 4,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.73 : 17,478.12 = 3,332.94 : x
  2. Step 2: Convert to fraction form
    11,651.73/17,478.12 = 3,332.94/x
  3. Step 3: Cross multiply
    11,651.73x = 17,478.12 × 3,332.94
  4. Step 4: Simplify right side
    11,651.73x = 58,253,525.27
  5. Step 5: Solve for x
    x = 58,253,525.27/11,651.73
  6. Step 6: Final answer
    x = 4,999.56

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1.5x scale

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.