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Finding the Fourth Proportional to 32,751.68, 49,080.60 and 18,682.61

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Solution

The fourth proportional to 32,751.68, 49,080.60 and 18,682.61 is: 27,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.68 : 49,080.60 = 18,682.61 : x
  2. Step 2: Convert to fraction form
    32,751.68/49,080.60 = 18,682.61/x
  3. Step 3: Cross multiply
    32,751.68x = 49,080.60 × 18,682.61
  4. Step 4: Simplify right side
    32,751.68x = 916,953,462.96
  5. Step 5: Solve for x
    x = 916,953,462.96/32,751.68
  6. Step 6: Final answer
    x = 27,997.15

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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.