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Finding the Fourth Proportional to 11,573.28, 17,340.48 and 7,201.44

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Solution

The fourth proportional to 11,573.28, 17,340.48 and 7,201.44 is: 10,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.28 : 17,340.48 = 7,201.44 : x
  2. Step 2: Convert to fraction form
    11,573.28/17,340.48 = 7,201.44/x
  3. Step 3: Cross multiply
    11,573.28x = 17,340.48 × 7,201.44
  4. Step 4: Simplify right side
    11,573.28x = 124,876,426.29
  5. Step 5: Solve for x
    x = 124,876,426.29/11,573.28
  6. Step 6: Final answer
    x = 10,790.06

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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.