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Finding the Fourth Proportional to 18,453.70, 27,684.95 and 5,973.73

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Solution

The fourth proportional to 18,453.70, 27,684.95 and 5,973.73 is: 8,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.70 : 27,684.95 = 5,973.73 : x
  2. Step 2: Convert to fraction form
    18,453.70/27,684.95 = 5,973.73/x
  3. Step 3: Cross multiply
    18,453.70x = 27,684.95 × 5,973.73
  4. Step 4: Simplify right side
    18,453.70x = 165,382,416.36
  5. Step 5: Solve for x
    x = 165,382,416.36/18,453.70
  6. Step 6: Final answer
    x = 8,962.02

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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.