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Finding the Fourth Proportional to 32,940.70, 49,415.84 and 10,748.61

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Solution

The fourth proportional to 32,940.70, 49,415.84 and 10,748.61 is: 16,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.70 : 49,415.84 = 10,748.61 : x
  2. Step 2: Convert to fraction form
    32,940.70/49,415.84 = 10,748.61/x
  3. Step 3: Cross multiply
    32,940.70x = 49,415.84 × 10,748.61
  4. Step 4: Simplify right side
    32,940.70x = 531,151,742.39
  5. Step 5: Solve for x
    x = 531,151,742.39/32,940.70
  6. Step 6: Final answer
    x = 16,124.48

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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.