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Finding the Fourth Proportional to 92,021.56, 126,991.05 and 51,733.07

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Solution

The fourth proportional to 92,021.56, 126,991.05 and 51,733.07 is: 71,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,021.56 : 126,991.05 = 51,733.07 : x
  2. Step 2: Convert to fraction form
    92,021.56/126,991.05 = 51,733.07/x
  3. Step 3: Cross multiply
    92,021.56x = 126,991.05 × 51,733.07
  4. Step 4: Simplify right side
    92,021.56x = 6,569,636,879.02
  5. Step 5: Solve for x
    x = 6,569,636,879.02/92,021.56
  6. Step 6: Final answer
    x = 71,392.37

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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.