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Finding the Fourth Proportional to 19,396.65, 29,096.64 and 5,356.68

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Solution

The fourth proportional to 19,396.65, 29,096.64 and 5,356.68 is: 8,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.65 : 29,096.64 = 5,356.68 : x
  2. Step 2: Convert to fraction form
    19,396.65/29,096.64 = 5,356.68/x
  3. Step 3: Cross multiply
    19,396.65x = 29,096.64 × 5,356.68
  4. Step 4: Simplify right side
    19,396.65x = 155,861,389.56
  5. Step 5: Solve for x
    x = 155,861,389.56/19,396.65
  6. Step 6: Final answer
    x = 8,035.48

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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.