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Finding the Fourth Proportional to 1,932.84, 2,898.81 and 546.33

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Solution

The fourth proportional to 1,932.84, 2,898.81 and 546.33 is: 819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.84 : 2,898.81 = 546.33 : x
  2. Step 2: Convert to fraction form
    1,932.84/2,898.81 = 546.33/x
  3. Step 3: Cross multiply
    1,932.84x = 2,898.81 × 546.33
  4. Step 4: Simplify right side
    1,932.84x = 1,583,706.87
  5. Step 5: Solve for x
    x = 1,583,706.87/1,932.84
  6. Step 6: Final answer
    x = 819.37

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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.