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Finding the Fourth Proportional to 60,045.81, 82,863.27 and 36,172.86

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Solution

The fourth proportional to 60,045.81, 82,863.27 and 36,172.86 is: 49,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,045.81 : 82,863.27 = 36,172.86 : x
  2. Step 2: Convert to fraction form
    60,045.81/82,863.27 = 36,172.86/x
  3. Step 3: Cross multiply
    60,045.81x = 82,863.27 × 36,172.86
  4. Step 4: Simplify right side
    60,045.81x = 2,997,401,464.85
  5. Step 5: Solve for x
    x = 2,997,401,464.85/60,045.81
  6. Step 6: Final answer
    x = 49,918.58

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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.