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Finding the Fourth Proportional to 82,480.86, 113,817.33 and 48,490.74

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Solution

The fourth proportional to 82,480.86, 113,817.33 and 48,490.74 is: 66,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,480.86 : 113,817.33 = 48,490.74 : x
  2. Step 2: Convert to fraction form
    82,480.86/113,817.33 = 48,490.74/x
  3. Step 3: Cross multiply
    82,480.86x = 113,817.33 × 48,490.74
  4. Step 4: Simplify right side
    82,480.86x = 5,519,086,556.52
  5. Step 5: Solve for x
    x = 5,519,086,556.52/82,480.86
  6. Step 6: Final answer
    x = 66,913.54

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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.