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Finding the Fourth Proportional to 45,725.88, 68,586.99 and 17,633.88

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Solution

The fourth proportional to 45,725.88, 68,586.99 and 17,633.88 is: 26,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,725.88 : 68,586.99 = 17,633.88 : x
  2. Step 2: Convert to fraction form
    45,725.88/68,586.99 = 17,633.88/x
  3. Step 3: Cross multiply
    45,725.88x = 68,586.99 × 17,633.88
  4. Step 4: Simplify right side
    45,725.88x = 1,209,454,751.22
  5. Step 5: Solve for x
    x = 1,209,454,751.22/45,725.88
  6. Step 6: Final answer
    x = 26,450.11

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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.