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Finding the Fourth Proportional to 27,263.72, 40,890.84 and 8,795.72

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Solution

The fourth proportional to 27,263.72, 40,890.84 and 8,795.72 is: 13,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,263.72 : 40,890.84 = 8,795.72 : x
  2. Step 2: Convert to fraction form
    27,263.72/40,890.84 = 8,795.72/x
  3. Step 3: Cross multiply
    27,263.72x = 40,890.84 × 8,795.72
  4. Step 4: Simplify right side
    27,263.72x = 359,664,379.20
  5. Step 5: Solve for x
    x = 359,664,379.20/27,263.72
  6. Step 6: Final answer
    x = 13,192.05

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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.