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Finding the Fourth Proportional to 69,473.89, 95,873.34 and 37,642.69

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Solution

The fourth proportional to 69,473.89, 95,873.34 and 37,642.69 is: 51,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,473.89 : 95,873.34 = 37,642.69 : x
  2. Step 2: Convert to fraction form
    69,473.89/95,873.34 = 37,642.69/x
  3. Step 3: Cross multiply
    69,473.89x = 95,873.34 × 37,642.69
  4. Step 4: Simplify right side
    69,473.89x = 3,608,930,416.88
  5. Step 5: Solve for x
    x = 3,608,930,416.88/69,473.89
  6. Step 6: Final answer
    x = 51,946.57

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Double scale
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Similar ratio
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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.