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Finding the Fourth Proportional to 57,806.06, 86,709.29 and 16,253.06

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Solution

The fourth proportional to 57,806.06, 86,709.29 and 16,253.06 is: 24,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,806.06 : 86,709.29 = 16,253.06 : x
  2. Step 2: Convert to fraction form
    57,806.06/86,709.29 = 16,253.06/x
  3. Step 3: Cross multiply
    57,806.06x = 86,709.29 × 16,253.06
  4. Step 4: Simplify right side
    57,806.06x = 1,409,290,778.12
  5. Step 5: Solve for x
    x = 1,409,290,778.12/57,806.06
  6. Step 6: Final answer
    x = 24,379.64

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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.