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Finding the Fourth Proportional to 63,519, 87,649.92 and 36,670.17

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Solution

The fourth proportional to 63,519, 87,649.92 and 36,670.17 is: 50,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,519 : 87,649.92 = 36,670.17 : x
  2. Step 2: Convert to fraction form
    63,519/87,649.92 = 36,670.17/x
  3. Step 3: Cross multiply
    63,519x = 87,649.92 × 36,670.17
  4. Step 4: Simplify right side
    63,519x = 3,214,137,466.89
  5. Step 5: Solve for x
    x = 3,214,137,466.89/63,519
  6. Step 6: Final answer
    x = 50,601.20

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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.