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Finding the Fourth Proportional to 27,879.55, 41,797.02 and 14,545.86

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Solution

The fourth proportional to 27,879.55, 41,797.02 and 14,545.86 is: 21,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879.55 : 41,797.02 = 14,545.86 : x
  2. Step 2: Convert to fraction form
    27,879.55/41,797.02 = 14,545.86/x
  3. Step 3: Cross multiply
    27,879.55x = 41,797.02 × 14,545.86
  4. Step 4: Simplify right side
    27,879.55x = 607,973,392.35
  5. Step 5: Solve for x
    x = 607,973,392.35/27,879.55
  6. Step 6: Final answer
    x = 21,807.14

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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.