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Finding the Fourth Proportional to 5,860.60, 8,787.86 and 2,162.68

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Solution

The fourth proportional to 5,860.60, 8,787.86 and 2,162.68 is: 3,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.60 : 8,787.86 = 2,162.68 : x
  2. Step 2: Convert to fraction form
    5,860.60/8,787.86 = 2,162.68/x
  3. Step 3: Cross multiply
    5,860.60x = 8,787.86 × 2,162.68
  4. Step 4: Simplify right side
    5,860.60x = 19,005,329.06
  5. Step 5: Solve for x
    x = 19,005,329.06/5,860.60
  6. Step 6: Final answer
    x = 3,242.90

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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.