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Finding the Fourth Proportional to 1,691.80, 2,536.71 and 595.96

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Solution

The fourth proportional to 1,691.80, 2,536.71 and 595.96 is: 893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.80 : 2,536.71 = 595.96 : x
  2. Step 2: Convert to fraction form
    1,691.80/2,536.71 = 595.96/x
  3. Step 3: Cross multiply
    1,691.80x = 2,536.71 × 595.96
  4. Step 4: Simplify right side
    1,691.80x = 1,511,777.69
  5. Step 5: Solve for x
    x = 1,511,777.69/1,691.80
  6. Step 6: Final answer
    x = 893.59

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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.