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Finding the Fourth Proportional to 18,536.77, 27,804.93 and 7,443.26

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Solution

The fourth proportional to 18,536.77, 27,804.93 and 7,443.26 is: 11,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.77 : 27,804.93 = 7,443.26 : x
  2. Step 2: Convert to fraction form
    18,536.77/27,804.93 = 7,443.26/x
  3. Step 3: Cross multiply
    18,536.77x = 27,804.93 × 7,443.26
  4. Step 4: Simplify right side
    18,536.77x = 206,959,323.27
  5. Step 5: Solve for x
    x = 206,959,323.27/18,536.77
  6. Step 6: Final answer
    x = 11,164.80

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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.