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Finding the Fourth Proportional to 32,777.85, 49,166.79 and 8,153.85

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Solution

The fourth proportional to 32,777.85, 49,166.79 and 8,153.85 is: 12,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,777.85 : 49,166.79 = 8,153.85 : x
  2. Step 2: Convert to fraction form
    32,777.85/49,166.79 = 8,153.85/x
  3. Step 3: Cross multiply
    32,777.85x = 49,166.79 × 8,153.85
  4. Step 4: Simplify right side
    32,777.85x = 400,898,630.64
  5. Step 5: Solve for x
    x = 400,898,630.64/32,777.85
  6. Step 6: Final answer
    x = 12,230.78

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Double scale
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Similar ratio
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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.