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Finding the Fourth Proportional to 59,481.90, 82,111.42 and 37,999.90

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Solution

The fourth proportional to 59,481.90, 82,111.42 and 37,999.90 is: 52,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,481.90 : 82,111.42 = 37,999.90 : x
  2. Step 2: Convert to fraction form
    59,481.90/82,111.42 = 37,999.90/x
  3. Step 3: Cross multiply
    59,481.90x = 82,111.42 × 37,999.90
  4. Step 4: Simplify right side
    59,481.90x = 3,120,225,748.86
  5. Step 5: Solve for x
    x = 3,120,225,748.86/59,481.90
  6. Step 6: Final answer
    x = 52,456.73

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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.