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Finding the Fourth Proportional to 55,751.01, 76,936.45 and 30,257.39

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Solution

The fourth proportional to 55,751.01, 76,936.45 and 30,257.39 is: 41,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.01 : 76,936.45 = 30,257.39 : x
  2. Step 2: Convert to fraction form
    55,751.01/76,936.45 = 30,257.39/x
  3. Step 3: Cross multiply
    55,751.01x = 76,936.45 × 30,257.39
  4. Step 4: Simplify right side
    55,751.01x = 2,327,896,478.76
  5. Step 5: Solve for x
    x = 2,327,896,478.76/55,751.01
  6. Step 6: Final answer
    x = 41,755.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.