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Finding the Fourth Proportional to 19,396.88, 29,097 and 5,356.92

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Solution

The fourth proportional to 19,396.88, 29,097 and 5,356.92 is: 8,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.88 : 29,097 = 5,356.92 : x
  2. Step 2: Convert to fraction form
    19,396.88/29,097 = 5,356.92/x
  3. Step 3: Cross multiply
    19,396.88x = 29,097 × 5,356.92
  4. Step 4: Simplify right side
    19,396.88x = 155,870,301.24
  5. Step 5: Solve for x
    x = 155,870,301.24/19,396.88
  6. Step 6: Final answer
    x = 8,035.85

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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.