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Finding the Fourth Proportional to 60,013.16, 82,821.60 and 36,147.52

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Solution

The fourth proportional to 60,013.16, 82,821.60 and 36,147.52 is: 49,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,013.16 : 82,821.60 = 36,147.52 : x
  2. Step 2: Convert to fraction form
    60,013.16/82,821.60 = 36,147.52/x
  3. Step 3: Cross multiply
    60,013.16x = 82,821.60 × 36,147.52
  4. Step 4: Simplify right side
    60,013.16x = 2,993,795,442.43
  5. Step 5: Solve for x
    x = 2,993,795,442.43/60,013.16
  6. Step 6: Final answer
    x = 49,885.65

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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.