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Finding the Fourth Proportional to 69,652.49, 96,119.80 and 37,819.49

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Solution

The fourth proportional to 69,652.49, 96,119.80 and 37,819.49 is: 52,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,652.49 : 96,119.80 = 37,819.49 : x
  2. Step 2: Convert to fraction form
    69,652.49/96,119.80 = 37,819.49/x
  3. Step 3: Cross multiply
    69,652.49x = 96,119.80 × 37,819.49
  4. Step 4: Simplify right side
    69,652.49x = 3,635,201,239.75
  5. Step 5: Solve for x
    x = 3,635,201,239.75/69,652.49
  6. Step 6: Final answer
    x = 52,190.55

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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.