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Finding the Fourth Proportional to 5,860.58, 8,789.92 and 2,164.55

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Solution

The fourth proportional to 5,860.58, 8,789.92 and 2,164.55 is: 3,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.58 : 8,789.92 = 2,164.55 : x
  2. Step 2: Convert to fraction form
    5,860.58/8,789.92 = 2,164.55/x
  3. Step 3: Cross multiply
    5,860.58x = 8,789.92 × 2,164.55
  4. Step 4: Simplify right side
    5,860.58x = 19,026,166.56
  5. Step 5: Solve for x
    x = 19,026,166.56/5,860.58
  6. Step 6: Final answer
    x = 3,246.47

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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.