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Finding the Fourth Proportional to 32,679.56, 49,014.18 and 8,988.87

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Solution

The fourth proportional to 32,679.56, 49,014.18 and 8,988.87 is: 13,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.56 : 49,014.18 = 8,988.87 : x
  2. Step 2: Convert to fraction form
    32,679.56/49,014.18 = 8,988.87/x
  3. Step 3: Cross multiply
    32,679.56x = 49,014.18 × 8,988.87
  4. Step 4: Simplify right side
    32,679.56x = 440,582,092.18
  5. Step 5: Solve for x
    x = 440,582,092.18/32,679.56
  6. Step 6: Final answer
    x = 13,481.89

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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.