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Finding the Fourth Proportional to 32,479, 48,717.66 and 8,788.84

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Solution

The fourth proportional to 32,479, 48,717.66 and 8,788.84 is: 13,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479 : 48,717.66 = 8,788.84 : x
  2. Step 2: Convert to fraction form
    32,479/48,717.66 = 8,788.84/x
  3. Step 3: Cross multiply
    32,479x = 48,717.66 × 8,788.84
  4. Step 4: Simplify right side
    32,479x = 428,171,718.91
  5. Step 5: Solve for x
    x = 428,171,718.91/32,479
  6. Step 6: Final answer
    x = 13,183.03

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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.