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Finding the Fourth Proportional to 55,754.56, 76,939.04 and 33,410.88

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Solution

The fourth proportional to 55,754.56, 76,939.04 and 33,410.88 is: 46,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,754.56 : 76,939.04 = 33,410.88 : x
  2. Step 2: Convert to fraction form
    55,754.56/76,939.04 = 33,410.88/x
  3. Step 3: Cross multiply
    55,754.56x = 76,939.04 × 33,410.88
  4. Step 4: Simplify right side
    55,754.56x = 2,570,601,032.76
  5. Step 5: Solve for x
    x = 2,570,601,032.76/55,754.56
  6. Step 6: Final answer
    x = 46,105.66

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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.