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Finding the Fourth Proportional to 65,630.44, 98,424.06 and 36,081.64

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Solution

The fourth proportional to 65,630.44, 98,424.06 and 36,081.64 is: 54,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.44 : 98,424.06 = 36,081.64 : x
  2. Step 2: Convert to fraction form
    65,630.44/98,424.06 = 36,081.64/x
  3. Step 3: Cross multiply
    65,630.44x = 98,424.06 × 36,081.64
  4. Step 4: Simplify right side
    65,630.44x = 3,551,301,500.26
  5. Step 5: Solve for x
    x = 3,551,301,500.26/65,630.44
  6. Step 6: Final answer
    x = 54,110.58

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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.