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Finding the Fourth Proportional to 68,817.79, 103,236.81 and 24,440.73

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Solution

The fourth proportional to 68,817.79, 103,236.81 and 24,440.73 is: 36,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,817.79 : 103,236.81 = 24,440.73 : x
  2. Step 2: Convert to fraction form
    68,817.79/103,236.81 = 24,440.73/x
  3. Step 3: Cross multiply
    68,817.79x = 103,236.81 × 24,440.73
  4. Step 4: Simplify right side
    68,817.79x = 2,523,182,999.27
  5. Step 5: Solve for x
    x = 2,523,182,999.27/68,817.79
  6. Step 6: Final answer
    x = 36,664.69

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1.5x scale

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.