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Finding the Fourth Proportional to 39,722.40, 59,583.60 and 35,229.60

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Solution

The fourth proportional to 39,722.40, 59,583.60 and 35,229.60 is: 52,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.40 : 59,583.60 = 35,229.60 : x
  2. Step 2: Convert to fraction form
    39,722.40/59,583.60 = 35,229.60/x
  3. Step 3: Cross multiply
    39,722.40x = 59,583.60 × 35,229.60
  4. Step 4: Simplify right side
    39,722.40x = 2,099,106,394.56
  5. Step 5: Solve for x
    x = 2,099,106,394.56/39,722.40
  6. Step 6: Final answer
    x = 52,844.40

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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.