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Finding the Fourth Proportional to 3,061, 4,592.46 and 1,329.88

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Solution

The fourth proportional to 3,061, 4,592.46 and 1,329.88 is: 1,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061 : 4,592.46 = 1,329.88 : x
  2. Step 2: Convert to fraction form
    3,061/4,592.46 = 1,329.88/x
  3. Step 3: Cross multiply
    3,061x = 4,592.46 × 1,329.88
  4. Step 4: Simplify right side
    3,061x = 6,107,420.70
  5. Step 5: Solve for x
    x = 6,107,420.70/3,061
  6. Step 6: Final answer
    x = 1,995.24

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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.