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Finding the Fourth Proportional to 91,833.37, 126,738.73 and 53,589.83

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Solution

The fourth proportional to 91,833.37, 126,738.73 and 53,589.83 is: 73,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,833.37 : 126,738.73 = 53,589.83 : x
  2. Step 2: Convert to fraction form
    91,833.37/126,738.73 = 53,589.83/x
  3. Step 3: Cross multiply
    91,833.37x = 126,738.73 × 53,589.83
  4. Step 4: Simplify right side
    91,833.37x = 6,791,906,995.12
  5. Step 5: Solve for x
    x = 6,791,906,995.12/91,833.37
  6. Step 6: Final answer
    x = 73,959.03

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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.