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Finding the Fourth Proportional to 84,609.50, 126,893.46 and 37,236.47

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Solution

The fourth proportional to 84,609.50, 126,893.46 and 37,236.47 is: 55,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,609.50 : 126,893.46 = 37,236.47 : x
  2. Step 2: Convert to fraction form
    84,609.50/126,893.46 = 37,236.47/x
  3. Step 3: Cross multiply
    84,609.50x = 126,893.46 × 37,236.47
  4. Step 4: Simplify right side
    84,609.50x = 4,725,064,516.49
  5. Step 5: Solve for x
    x = 4,725,064,516.49/84,609.50
  6. Step 6: Final answer
    x = 55,845.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.