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Finding the Fourth Proportional to 18,245.94, 27,352.35 and 6,556.41

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Solution

The fourth proportional to 18,245.94, 27,352.35 and 6,556.41 is: 9,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.94 : 27,352.35 = 6,556.41 : x
  2. Step 2: Convert to fraction form
    18,245.94/27,352.35 = 6,556.41/x
  3. Step 3: Cross multiply
    18,245.94x = 27,352.35 × 6,556.41
  4. Step 4: Simplify right side
    18,245.94x = 179,333,221.06
  5. Step 5: Solve for x
    x = 179,333,221.06/18,245.94
  6. Step 6: Final answer
    x = 9,828.66

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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.