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Finding the Fourth Proportional to 5,860.65, 8,790.03 and 2,164.62

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Solution

The fourth proportional to 5,860.65, 8,790.03 and 2,164.62 is: 3,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.65 : 8,790.03 = 2,164.62 : x
  2. Step 2: Convert to fraction form
    5,860.65/8,790.03 = 2,164.62/x
  3. Step 3: Cross multiply
    5,860.65x = 8,790.03 × 2,164.62
  4. Step 4: Simplify right side
    5,860.65x = 19,027,091.22
  5. Step 5: Solve for x
    x = 19,027,091.22/5,860.65
  6. Step 6: Final answer
    x = 3,246.58

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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.