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Finding the Fourth Proportional to 1,335.65, 1,844.06 and 1,195.52

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Solution

The fourth proportional to 1,335.65, 1,844.06 and 1,195.52 is: 1,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.65 : 1,844.06 = 1,195.52 : x
  2. Step 2: Convert to fraction form
    1,335.65/1,844.06 = 1,195.52/x
  3. Step 3: Cross multiply
    1,335.65x = 1,844.06 × 1,195.52
  4. Step 4: Simplify right side
    1,335.65x = 2,204,595.41
  5. Step 5: Solve for x
    x = 2,204,595.41/1,335.65
  6. Step 6: Final answer
    x = 1,650.58

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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.