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Finding the Fourth Proportional to 18,545.04, 27,798.12 and 8,676

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Solution

The fourth proportional to 18,545.04, 27,798.12 and 8,676 is: 13,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.04 : 27,798.12 = 8,676 : x
  2. Step 2: Convert to fraction form
    18,545.04/27,798.12 = 8,676/x
  3. Step 3: Cross multiply
    18,545.04x = 27,798.12 × 8,676
  4. Step 4: Simplify right side
    18,545.04x = 241,176,489.12
  5. Step 5: Solve for x
    x = 241,176,489.12/18,545.04
  6. Step 6: Final answer
    x = 13,004.91

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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.