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Finding the Fourth Proportional to 69,765.54, 96,253.02 and 39,548.49

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Solution

The fourth proportional to 69,765.54, 96,253.02 and 39,548.49 is: 54,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,765.54 : 96,253.02 = 39,548.49 : x
  2. Step 2: Convert to fraction form
    69,765.54/96,253.02 = 39,548.49/x
  3. Step 3: Cross multiply
    69,765.54x = 96,253.02 × 39,548.49
  4. Step 4: Simplify right side
    69,765.54x = 3,806,661,598.94
  5. Step 5: Solve for x
    x = 3,806,661,598.94/69,765.54
  6. Step 6: Final answer
    x = 54,563.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.