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Finding the Fourth Proportional to 32,255.70, 48,379.92 and 11,191.86

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Solution

The fourth proportional to 32,255.70, 48,379.92 and 11,191.86 is: 16,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,255.70 : 48,379.92 = 11,191.86 : x
  2. Step 2: Convert to fraction form
    32,255.70/48,379.92 = 11,191.86/x
  3. Step 3: Cross multiply
    32,255.70x = 48,379.92 × 11,191.86
  4. Step 4: Simplify right side
    32,255.70x = 541,461,291.45
  5. Step 5: Solve for x
    x = 541,461,291.45/32,255.70
  6. Step 6: Final answer
    x = 16,786.53

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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.