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Finding the Fourth Proportional to 91,951.44, 126,893.10 and 51,665.22

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Solution

The fourth proportional to 91,951.44, 126,893.10 and 51,665.22 is: 71,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,951.44 : 126,893.10 = 51,665.22 : x
  2. Step 2: Convert to fraction form
    91,951.44/126,893.10 = 51,665.22/x
  3. Step 3: Cross multiply
    91,951.44x = 126,893.10 × 51,665.22
  4. Step 4: Simplify right side
    91,951.44x = 6,555,959,927.98
  5. Step 5: Solve for x
    x = 6,555,959,927.98/91,951.44
  6. Step 6: Final answer
    x = 71,298.07

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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.