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Finding the Fourth Proportional to 19,396.50, 29,095.02 and 5,545.50

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Solution

The fourth proportional to 19,396.50, 29,095.02 and 5,545.50 is: 8,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.50 : 29,095.02 = 5,545.50 : x
  2. Step 2: Convert to fraction form
    19,396.50/29,095.02 = 5,545.50/x
  3. Step 3: Cross multiply
    19,396.50x = 29,095.02 × 5,545.50
  4. Step 4: Simplify right side
    19,396.50x = 161,346,433.41
  5. Step 5: Solve for x
    x = 161,346,433.41/19,396.50
  6. Step 6: Final answer
    x = 8,318.33

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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.