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Finding the Fourth Proportional to 62,461.38, 86,190.12 and 36,968.70

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Solution

The fourth proportional to 62,461.38, 86,190.12 and 36,968.70 is: 51,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,461.38 : 86,190.12 = 36,968.70 : x
  2. Step 2: Convert to fraction form
    62,461.38/86,190.12 = 36,968.70/x
  3. Step 3: Cross multiply
    62,461.38x = 86,190.12 × 36,968.70
  4. Step 4: Simplify right side
    62,461.38x = 3,186,336,689.24
  5. Step 5: Solve for x
    x = 3,186,336,689.24/62,461.38
  6. Step 6: Final answer
    x = 51,012.91

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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.