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Finding the Fourth Proportional to 7,406.65, 11,100.11 and 3,652.69

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Solution

The fourth proportional to 7,406.65, 11,100.11 and 3,652.69 is: 5,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.65 : 11,100.11 = 3,652.69 : x
  2. Step 2: Convert to fraction form
    7,406.65/11,100.11 = 3,652.69/x
  3. Step 3: Cross multiply
    7,406.65x = 11,100.11 × 3,652.69
  4. Step 4: Simplify right side
    7,406.65x = 40,545,260.80
  5. Step 5: Solve for x
    x = 40,545,260.80/7,406.65
  6. Step 6: Final answer
    x = 5,474.17

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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.