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Finding the Fourth Proportional to 1,932.94, 2,899.34 and 546.38

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Solution

The fourth proportional to 1,932.94, 2,899.34 and 546.38 is: 819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.94 : 2,899.34 = 546.38 : x
  2. Step 2: Convert to fraction form
    1,932.94/2,899.34 = 546.38/x
  3. Step 3: Cross multiply
    1,932.94x = 2,899.34 × 546.38
  4. Step 4: Simplify right side
    1,932.94x = 1,584,141.39
  5. Step 5: Solve for x
    x = 1,584,141.39/1,932.94
  6. Step 6: Final answer
    x = 819.55

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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.