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Finding the Fourth Proportional to 11,237, 16,855.44 and 2,917.01

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Solution

The fourth proportional to 11,237, 16,855.44 and 2,917.01 is: 4,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237 : 16,855.44 = 2,917.01 : x
  2. Step 2: Convert to fraction form
    11,237/16,855.44 = 2,917.01/x
  3. Step 3: Cross multiply
    11,237x = 16,855.44 × 2,917.01
  4. Step 4: Simplify right side
    11,237x = 49,167,487.03
  5. Step 5: Solve for x
    x = 49,167,487.03/11,237
  6. Step 6: Final answer
    x = 4,375.50

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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.