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Finding the Fourth Proportional to 60,138.44, 82,895.44 and 47,371.39

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Solution

The fourth proportional to 60,138.44, 82,895.44 and 47,371.39 is: 65,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.44 : 82,895.44 = 47,371.39 : x
  2. Step 2: Convert to fraction form
    60,138.44/82,895.44 = 47,371.39/x
  3. Step 3: Cross multiply
    60,138.44x = 82,895.44 × 47,371.39
  4. Step 4: Simplify right side
    60,138.44x = 3,926,872,217.46
  5. Step 5: Solve for x
    x = 3,926,872,217.46/60,138.44
  6. Step 6: Final answer
    x = 65,297.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.