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Finding the Fourth Proportional to 40,912.71, 61,353.95 and 32,164.71

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Solution

The fourth proportional to 40,912.71, 61,353.95 and 32,164.71 is: 48,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,912.71 : 61,353.95 = 32,164.71 : x
  2. Step 2: Convert to fraction form
    40,912.71/61,353.95 = 32,164.71/x
  3. Step 3: Cross multiply
    40,912.71x = 61,353.95 × 32,164.71
  4. Step 4: Simplify right side
    40,912.71x = 1,973,431,848.28
  5. Step 5: Solve for x
    x = 1,973,431,848.28/40,912.71
  6. Step 6: Final answer
    x = 48,235.18

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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.