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Finding the Fourth Proportional to 65,081.52, 97,554.65 and 27,665.60

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Solution

The fourth proportional to 65,081.52, 97,554.65 and 27,665.60 is: 41,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,081.52 : 97,554.65 = 27,665.60 : x
  2. Step 2: Convert to fraction form
    65,081.52/97,554.65 = 27,665.60/x
  3. Step 3: Cross multiply
    65,081.52x = 97,554.65 × 27,665.60
  4. Step 4: Simplify right side
    65,081.52x = 2,698,907,298.94
  5. Step 5: Solve for x
    x = 2,698,907,298.94/65,081.52
  6. Step 6: Final answer
    x = 41,469.64

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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.