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Finding the Fourth Proportional to 61,956.45, 85,485.24 and 36,463.95

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Solution

The fourth proportional to 61,956.45, 85,485.24 and 36,463.95 is: 50,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,956.45 : 85,485.24 = 36,463.95 : x
  2. Step 2: Convert to fraction form
    61,956.45/85,485.24 = 36,463.95/x
  3. Step 3: Cross multiply
    61,956.45x = 85,485.24 × 36,463.95
  4. Step 4: Simplify right side
    61,956.45x = 3,117,129,517.10
  5. Step 5: Solve for x
    x = 3,117,129,517.10/61,956.45
  6. Step 6: Final answer
    x = 50,311.62

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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.