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Finding the Fourth Proportional to 33,596.76, 50,342.80 and 12,531.11

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Solution

The fourth proportional to 33,596.76, 50,342.80 and 12,531.11 is: 18,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,596.76 : 50,342.80 = 12,531.11 : x
  2. Step 2: Convert to fraction form
    33,596.76/50,342.80 = 12,531.11/x
  3. Step 3: Cross multiply
    33,596.76x = 50,342.80 × 12,531.11
  4. Step 4: Simplify right side
    33,596.76x = 630,851,276.40
  5. Step 5: Solve for x
    x = 630,851,276.40/33,596.76
  6. Step 6: Final answer
    x = 18,777.14

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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.