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Finding the Fourth Proportional to 5,871.34, 8,805.14 and 1,974.82

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Solution

The fourth proportional to 5,871.34, 8,805.14 and 1,974.82 is: 2,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.34 : 8,805.14 = 1,974.82 : x
  2. Step 2: Convert to fraction form
    5,871.34/8,805.14 = 1,974.82/x
  3. Step 3: Cross multiply
    5,871.34x = 8,805.14 × 1,974.82
  4. Step 4: Simplify right side
    5,871.34x = 17,388,566.57
  5. Step 5: Solve for x
    x = 17,388,566.57/5,871.34
  6. Step 6: Final answer
    x = 2,961.60

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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.