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Finding the Fourth Proportional to 54,919, 82,349.34 and 25,321.60

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Solution

The fourth proportional to 54,919, 82,349.34 and 25,321.60 is: 37,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919 : 82,349.34 = 25,321.60 : x
  2. Step 2: Convert to fraction form
    54,919/82,349.34 = 25,321.60/x
  3. Step 3: Cross multiply
    54,919x = 82,349.34 × 25,321.60
  4. Step 4: Simplify right side
    54,919x = 2,085,217,047.74
  5. Step 5: Solve for x
    x = 2,085,217,047.74/54,919
  6. Step 6: Final answer
    x = 37,968.96

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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.