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Finding the Fourth Proportional to 47,371.44, 71,019.72 and 32,536.40

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Solution

The fourth proportional to 47,371.44, 71,019.72 and 32,536.40 is: 48,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371.44 : 71,019.72 = 32,536.40 : x
  2. Step 2: Convert to fraction form
    47,371.44/71,019.72 = 32,536.40/x
  3. Step 3: Cross multiply
    47,371.44x = 71,019.72 × 32,536.40
  4. Step 4: Simplify right side
    47,371.44x = 2,310,726,017.81
  5. Step 5: Solve for x
    x = 2,310,726,017.81/47,371.44
  6. Step 6: Final answer
    x = 48,778.88

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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.