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Finding the Fourth Proportional to 69,819.54, 96,353.00 and 37,990.49

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Solution

The fourth proportional to 69,819.54, 96,353.00 and 37,990.49 is: 52,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,819.54 : 96,353.00 = 37,990.49 : x
  2. Step 2: Convert to fraction form
    69,819.54/96,353.00 = 37,990.49/x
  3. Step 3: Cross multiply
    69,819.54x = 96,353.00 × 37,990.49
  4. Step 4: Simplify right side
    69,819.54x = 3,660,497,011.25
  5. Step 5: Solve for x
    x = 3,660,497,011.25/69,819.54
  6. Step 6: Final answer
    x = 52,427.97

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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.