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Finding the Fourth Proportional to 11,329.76, 17,005.44 and 6,955.76

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Solution

The fourth proportional to 11,329.76, 17,005.44 and 6,955.76 is: 10,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.76 : 17,005.44 = 6,955.76 : x
  2. Step 2: Convert to fraction form
    11,329.76/17,005.44 = 6,955.76/x
  3. Step 3: Cross multiply
    11,329.76x = 17,005.44 × 6,955.76
  4. Step 4: Simplify right side
    11,329.76x = 118,285,759.33
  5. Step 5: Solve for x
    x = 118,285,759.33/11,329.76
  6. Step 6: Final answer
    x = 10,440.27

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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.