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Finding the Fourth Proportional to 53,904.30, 80,662.05 and 36,408.30

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Solution

The fourth proportional to 53,904.30, 80,662.05 and 36,408.30 is: 54,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.30 : 80,662.05 = 36,408.30 : x
  2. Step 2: Convert to fraction form
    53,904.30/80,662.05 = 36,408.30/x
  3. Step 3: Cross multiply
    53,904.30x = 80,662.05 × 36,408.30
  4. Step 4: Simplify right side
    53,904.30x = 2,936,768,115.02
  5. Step 5: Solve for x
    x = 2,936,768,115.02/53,904.30
  6. Step 6: Final answer
    x = 54,481.15

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1.5x scale

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.