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Finding the Fourth Proportional to 11,375.48, 17,040.48 and 9,039.44

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Solution

The fourth proportional to 11,375.48, 17,040.48 and 9,039.44 is: 13,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.48 : 17,040.48 = 9,039.44 : x
  2. Step 2: Convert to fraction form
    11,375.48/17,040.48 = 9,039.44/x
  3. Step 3: Cross multiply
    11,375.48x = 17,040.48 × 9,039.44
  4. Step 4: Simplify right side
    11,375.48x = 154,036,396.53
  5. Step 5: Solve for x
    x = 154,036,396.53/11,375.48
  6. Step 6: Final answer
    x = 13,541.09

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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.