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Finding the Fourth Proportional to 18,175.26, 27,262.88 and 4,848.26

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Solution

The fourth proportional to 18,175.26, 27,262.88 and 4,848.26 is: 7,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.26 : 27,262.88 = 4,848.26 : x
  2. Step 2: Convert to fraction form
    18,175.26/27,262.88 = 4,848.26/x
  3. Step 3: Cross multiply
    18,175.26x = 27,262.88 × 4,848.26
  4. Step 4: Simplify right side
    18,175.26x = 132,177,530.59
  5. Step 5: Solve for x
    x = 132,177,530.59/18,175.26
  6. Step 6: Final answer
    x = 7,272.39

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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.