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Finding the Fourth Proportional to 65,559.80, 98,412.60 and 36,035.30

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Solution

The fourth proportional to 65,559.80, 98,412.60 and 36,035.30 is: 54,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,559.80 : 98,412.60 = 36,035.30 : x
  2. Step 2: Convert to fraction form
    65,559.80/98,412.60 = 36,035.30/x
  3. Step 3: Cross multiply
    65,559.80x = 98,412.60 × 36,035.30
  4. Step 4: Simplify right side
    65,559.80x = 3,546,327,564.78
  5. Step 5: Solve for x
    x = 3,546,327,564.78/65,559.80
  6. Step 6: Final answer
    x = 54,093.02

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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.