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Finding the Fourth Proportional to 61,490.94, 92,059 and 36,113.54

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Solution

The fourth proportional to 61,490.94, 92,059 and 36,113.54 is: 54,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.94 : 92,059 = 36,113.54 : x
  2. Step 2: Convert to fraction form
    61,490.94/92,059 = 36,113.54/x
  3. Step 3: Cross multiply
    61,490.94x = 92,059 × 36,113.54
  4. Step 4: Simplify right side
    61,490.94x = 3,324,576,378.86
  5. Step 5: Solve for x
    x = 3,324,576,378.86/61,490.94
  6. Step 6: Final answer
    x = 54,066.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.