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Finding the Fourth Proportional to 55,240.76, 82,852.84 and 17,795.88

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Solution

The fourth proportional to 55,240.76, 82,852.84 and 17,795.88 is: 26,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.76 : 82,852.84 = 17,795.88 : x
  2. Step 2: Convert to fraction form
    55,240.76/82,852.84 = 17,795.88/x
  3. Step 3: Cross multiply
    55,240.76x = 82,852.84 × 17,795.88
  4. Step 4: Simplify right side
    55,240.76x = 1,474,439,198.30
  5. Step 5: Solve for x
    x = 1,474,439,198.30/55,240.76
  6. Step 6: Final answer
    x = 26,691.15

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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.