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Finding the Fourth Proportional to 65,171.28, 97,790.88 and 35,583.60

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Solution

The fourth proportional to 65,171.28, 97,790.88 and 35,583.60 is: 53,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171.28 : 97,790.88 = 35,583.60 : x
  2. Step 2: Convert to fraction form
    65,171.28/97,790.88 = 35,583.60/x
  3. Step 3: Cross multiply
    65,171.28x = 97,790.88 × 35,583.60
  4. Step 4: Simplify right side
    65,171.28x = 3,479,751,557.57
  5. Step 5: Solve for x
    x = 3,479,751,557.57/65,171.28
  6. Step 6: Final answer
    x = 53,393.94

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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.