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Finding the Fourth Proportional to 18,546.92, 27,821.65 and 7,453.61

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Solution

The fourth proportional to 18,546.92, 27,821.65 and 7,453.61 is: 11,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.92 : 27,821.65 = 7,453.61 : x
  2. Step 2: Convert to fraction form
    18,546.92/27,821.65 = 7,453.61/x
  3. Step 3: Cross multiply
    18,546.92x = 27,821.65 × 7,453.61
  4. Step 4: Simplify right side
    18,546.92x = 207,371,779.58
  5. Step 5: Solve for x
    x = 207,371,779.58/18,546.92
  6. Step 6: Final answer
    x = 11,180.93

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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.