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Finding the Fourth Proportional to 53,654.40, 80,492.40 and 44,949.60

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Solution

The fourth proportional to 53,654.40, 80,492.40 and 44,949.60 is: 67,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,654.40 : 80,492.40 = 44,949.60 : x
  2. Step 2: Convert to fraction form
    53,654.40/80,492.40 = 44,949.60/x
  3. Step 3: Cross multiply
    53,654.40x = 80,492.40 × 44,949.60
  4. Step 4: Simplify right side
    53,654.40x = 3,618,101,183.04
  5. Step 5: Solve for x
    x = 3,618,101,183.04/53,654.40
  6. Step 6: Final answer
    x = 67,433.45

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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.