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Finding the Fourth Proportional to 7,599.65, 11,383.68 and 3,890.66

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Solution

The fourth proportional to 7,599.65, 11,383.68 and 3,890.66 is: 5,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.65 : 11,383.68 = 3,890.66 : x
  2. Step 2: Convert to fraction form
    7,599.65/11,383.68 = 3,890.66/x
  3. Step 3: Cross multiply
    7,599.65x = 11,383.68 × 3,890.66
  4. Step 4: Simplify right side
    7,599.65x = 44,290,028.43
  5. Step 5: Solve for x
    x = 44,290,028.43/7,599.65
  6. Step 6: Final answer
    x = 5,827.90

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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.