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Finding the Fourth Proportional to 53,459.60, 80,016.60 and 41,709.20

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Solution

The fourth proportional to 53,459.60, 80,016.60 and 41,709.20 is: 62,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,459.60 : 80,016.60 = 41,709.20 : x
  2. Step 2: Convert to fraction form
    53,459.60/80,016.60 = 41,709.20/x
  3. Step 3: Cross multiply
    53,459.60x = 80,016.60 × 41,709.20
  4. Step 4: Simplify right side
    53,459.60x = 3,337,428,372.72
  5. Step 5: Solve for x
    x = 3,337,428,372.72/53,459.60
  6. Step 6: Final answer
    x = 62,428.98

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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.