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Finding the Fourth Proportional to 11,573.78, 17,341.23 and 7,201.94

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Solution

The fourth proportional to 11,573.78, 17,341.23 and 7,201.94 is: 10,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.78 : 17,341.23 = 7,201.94 : x
  2. Step 2: Convert to fraction form
    11,573.78/17,341.23 = 7,201.94/x
  3. Step 3: Cross multiply
    11,573.78x = 17,341.23 × 7,201.94
  4. Step 4: Simplify right side
    11,573.78x = 124,890,497.99
  5. Step 5: Solve for x
    x = 124,890,497.99/11,573.78
  6. Step 6: Final answer
    x = 10,790.81

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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.