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Finding the Fourth Proportional to 5,879.65, 8,819.48 and 4,582.09

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Solution

The fourth proportional to 5,879.65, 8,819.48 and 4,582.09 is: 6,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.65 : 8,819.48 = 4,582.09 : x
  2. Step 2: Convert to fraction form
    5,879.65/8,819.48 = 4,582.09/x
  3. Step 3: Cross multiply
    5,879.65x = 8,819.48 × 4,582.09
  4. Step 4: Simplify right side
    5,879.65x = 40,411,651.11
  5. Step 5: Solve for x
    x = 40,411,651.11/5,879.65
  6. Step 6: Final answer
    x = 6,873.14

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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.