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Finding the Fourth Proportional to 18,360.92, 27,545.88 and 5,880.98

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Solution

The fourth proportional to 18,360.92, 27,545.88 and 5,880.98 is: 8,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.92 : 27,545.88 = 5,880.98 : x
  2. Step 2: Convert to fraction form
    18,360.92/27,545.88 = 5,880.98/x
  3. Step 3: Cross multiply
    18,360.92x = 27,545.88 × 5,880.98
  4. Step 4: Simplify right side
    18,360.92x = 161,996,769.36
  5. Step 5: Solve for x
    x = 161,996,769.36/18,360.92
  6. Step 6: Final answer
    x = 8,822.91

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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.