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Finding the Fourth Proportional to 82,305, 113,580.90 and 44,579.25

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Solution

The fourth proportional to 82,305, 113,580.90 and 44,579.25 is: 61,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,305 : 113,580.90 = 44,579.25 : x
  2. Step 2: Convert to fraction form
    82,305/113,580.90 = 44,579.25/x
  3. Step 3: Cross multiply
    82,305x = 113,580.90 × 44,579.25
  4. Step 4: Simplify right side
    82,305x = 5,063,351,336.33
  5. Step 5: Solve for x
    x = 5,063,351,336.33/82,305
  6. Step 6: Final answer
    x = 61,519.37

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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.