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Finding the Fourth Proportional to 57,664.56, 86,501.88 and 16,111.68

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Solution

The fourth proportional to 57,664.56, 86,501.88 and 16,111.68 is: 24,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.56 : 86,501.88 = 16,111.68 : x
  2. Step 2: Convert to fraction form
    57,664.56/86,501.88 = 16,111.68/x
  3. Step 3: Cross multiply
    57,664.56x = 86,501.88 × 16,111.68
  4. Step 4: Simplify right side
    57,664.56x = 1,393,690,609.96
  5. Step 5: Solve for x
    x = 1,393,690,609.96/57,664.56
  6. Step 6: Final answer
    x = 24,168.93

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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.