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Finding the Fourth Proportional to 18,495.30, 27,735.84 and 14,554.30

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Solution

The fourth proportional to 18,495.30, 27,735.84 and 14,554.30 is: 21,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.30 : 27,735.84 = 14,554.30 : x
  2. Step 2: Convert to fraction form
    18,495.30/27,735.84 = 14,554.30/x
  3. Step 3: Cross multiply
    18,495.30x = 27,735.84 × 14,554.30
  4. Step 4: Simplify right side
    18,495.30x = 403,675,736.11
  5. Step 5: Solve for x
    x = 403,675,736.11/18,495.30
  6. Step 6: Final answer
    x = 21,825.86

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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.