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Finding the Fourth Proportional to 45,751.96, 68,571.42 and 27,013

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Solution

The fourth proportional to 45,751.96, 68,571.42 and 27,013 is: 40,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,751.96 : 68,571.42 = 27,013 : x
  2. Step 2: Convert to fraction form
    45,751.96/68,571.42 = 27,013/x
  3. Step 3: Cross multiply
    45,751.96x = 68,571.42 × 27,013
  4. Step 4: Simplify right side
    45,751.96x = 1,852,319,768.46
  5. Step 5: Solve for x
    x = 1,852,319,768.46/45,751.96
  6. Step 6: Final answer
    x = 40,486.13

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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.