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Finding the Fourth Proportional to 1,835.82, 2,754 and 537.12

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Solution

The fourth proportional to 1,835.82, 2,754 and 537.12 is: 805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.82 : 2,754 = 537.12 : x
  2. Step 2: Convert to fraction form
    1,835.82/2,754 = 537.12/x
  3. Step 3: Cross multiply
    1,835.82x = 2,754 × 537.12
  4. Step 4: Simplify right side
    1,835.82x = 1,479,228.48
  5. Step 5: Solve for x
    x = 1,479,228.48/1,835.82
  6. Step 6: Final answer
    x = 805.76

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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.