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Finding the Fourth Proportional to 40,694.40, 60,960.60 and 35,823.60

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Solution

The fourth proportional to 40,694.40, 60,960.60 and 35,823.60 is: 53,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.40 : 60,960.60 = 35,823.60 : x
  2. Step 2: Convert to fraction form
    40,694.40/60,960.60 = 35,823.60/x
  3. Step 3: Cross multiply
    40,694.40x = 60,960.60 × 35,823.60
  4. Step 4: Simplify right side
    40,694.40x = 2,183,828,150.16
  5. Step 5: Solve for x
    x = 2,183,828,150.16/40,694.40
  6. Step 6: Final answer
    x = 53,664.10

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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.