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Finding the Fourth Proportional to 11,288.66, 16,936.23 and 7,388.24

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Solution

The fourth proportional to 11,288.66, 16,936.23 and 7,388.24 is: 11,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.66 : 16,936.23 = 7,388.24 : x
  2. Step 2: Convert to fraction form
    11,288.66/16,936.23 = 7,388.24/x
  3. Step 3: Cross multiply
    11,288.66x = 16,936.23 × 7,388.24
  4. Step 4: Simplify right side
    11,288.66x = 125,128,931.94
  5. Step 5: Solve for x
    x = 125,128,931.94/11,288.66
  6. Step 6: Final answer
    x = 11,084.48

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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.