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Finding the Fourth Proportional to 65,463.32, 98,193.02 and 18,081.32

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Solution

The fourth proportional to 65,463.32, 98,193.02 and 18,081.32 is: 27,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,463.32 : 98,193.02 = 18,081.32 : x
  2. Step 2: Convert to fraction form
    65,463.32/98,193.02 = 18,081.32/x
  3. Step 3: Cross multiply
    65,463.32x = 98,193.02 × 18,081.32
  4. Step 4: Simplify right side
    65,463.32x = 1,775,458,835.01
  5. Step 5: Solve for x
    x = 1,775,458,835.01/65,463.32
  6. Step 6: Final answer
    x = 27,121.43

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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.