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Finding the Fourth Proportional to 68,343.92, 102,516.56 and 23,971.74

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Solution

The fourth proportional to 68,343.92, 102,516.56 and 23,971.74 is: 35,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.92 : 102,516.56 = 23,971.74 : x
  2. Step 2: Convert to fraction form
    68,343.92/102,516.56 = 23,971.74/x
  3. Step 3: Cross multiply
    68,343.92x = 102,516.56 × 23,971.74
  4. Step 4: Simplify right side
    68,343.92x = 2,457,500,202.16
  5. Step 5: Solve for x
    x = 2,457,500,202.16/68,343.92
  6. Step 6: Final answer
    x = 35,957.85

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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.