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Finding the Fourth Proportional to 19,353.92, 29,035.20 and 5,504

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Solution

The fourth proportional to 19,353.92, 29,035.20 and 5,504 is: 8,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.92 : 29,035.20 = 5,504 : x
  2. Step 2: Convert to fraction form
    19,353.92/29,035.20 = 5,504/x
  3. Step 3: Cross multiply
    19,353.92x = 29,035.20 × 5,504
  4. Step 4: Simplify right side
    19,353.92x = 159,809,740.80
  5. Step 5: Solve for x
    x = 159,809,740.80/19,353.92
  6. Step 6: Final answer
    x = 8,257.23

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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.