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Finding the Fourth Proportional to 32,912.55, 49,372.88 and 10,719.97

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Solution

The fourth proportional to 32,912.55, 49,372.88 and 10,719.97 is: 16,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.55 : 49,372.88 = 10,719.97 : x
  2. Step 2: Convert to fraction form
    32,912.55/49,372.88 = 10,719.97/x
  3. Step 3: Cross multiply
    32,912.55x = 49,372.88 × 10,719.97
  4. Step 4: Simplify right side
    32,912.55x = 529,275,615.38
  5. Step 5: Solve for x
    x = 529,275,615.38/32,912.55
  6. Step 6: Final answer
    x = 16,081.27

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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.