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Finding the Fourth Proportional to 55,235.76, 82,866.87 and 17,799.36

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Solution

The fourth proportional to 55,235.76, 82,866.87 and 17,799.36 is: 26,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.76 : 82,866.87 = 17,799.36 : x
  2. Step 2: Convert to fraction form
    55,235.76/82,866.87 = 17,799.36/x
  3. Step 3: Cross multiply
    55,235.76x = 82,866.87 × 17,799.36
  4. Step 4: Simplify right side
    55,235.76x = 1,474,977,251.20
  5. Step 5: Solve for x
    x = 1,474,977,251.20/55,235.76
  6. Step 6: Final answer
    x = 26,703.30

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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.