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Finding the Fourth Proportional to 11,717.44, 17,573.28 and 3,509.44

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Solution

The fourth proportional to 11,717.44, 17,573.28 and 3,509.44 is: 5,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.44 : 17,573.28 = 3,509.44 : x
  2. Step 2: Convert to fraction form
    11,717.44/17,573.28 = 3,509.44/x
  3. Step 3: Cross multiply
    11,717.44x = 17,573.28 × 3,509.44
  4. Step 4: Simplify right side
    11,717.44x = 61,672,371.76
  5. Step 5: Solve for x
    x = 61,672,371.76/11,717.44
  6. Step 6: Final answer
    x = 5,263.30

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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.