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Finding the Fourth Proportional to 1,674.59, 2,310.49 and 1,011.44

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Solution

The fourth proportional to 1,674.59, 2,310.49 and 1,011.44 is: 1,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.59 : 2,310.49 = 1,011.44 : x
  2. Step 2: Convert to fraction form
    1,674.59/2,310.49 = 1,011.44/x
  3. Step 3: Cross multiply
    1,674.59x = 2,310.49 × 1,011.44
  4. Step 4: Simplify right side
    1,674.59x = 2,336,922.01
  5. Step 5: Solve for x
    x = 2,336,922.01/1,674.59
  6. Step 6: Final answer
    x = 1,395.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.