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Finding the Fourth Proportional to 57,659.49, 86,500.91 and 24,379.50

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Solution

The fourth proportional to 57,659.49, 86,500.91 and 24,379.50 is: 36,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,659.49 : 86,500.91 = 24,379.50 : x
  2. Step 2: Convert to fraction form
    57,659.49/86,500.91 = 24,379.50/x
  3. Step 3: Cross multiply
    57,659.49x = 86,500.91 × 24,379.50
  4. Step 4: Simplify right side
    57,659.49x = 2,108,848,696.97
  5. Step 5: Solve for x
    x = 2,108,848,696.97/57,659.49
  6. Step 6: Final answer
    x = 36,574.18

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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.