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Finding the Fourth Proportional to 11,745.09, 17,622.09 and 7,068.33

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Solution

The fourth proportional to 11,745.09, 17,622.09 and 7,068.33 is: 10,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.09 : 17,622.09 = 7,068.33 : x
  2. Step 2: Convert to fraction form
    11,745.09/17,622.09 = 7,068.33/x
  3. Step 3: Cross multiply
    11,745.09x = 17,622.09 × 7,068.33
  4. Step 4: Simplify right side
    11,745.09x = 124,558,747.41
  5. Step 5: Solve for x
    x = 124,558,747.41/11,745.09
  6. Step 6: Final answer
    x = 10,605.18

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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.