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Finding the Fourth Proportional to 53,460.60, 80,190.90 and 32,724.60

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Solution

The fourth proportional to 53,460.60, 80,190.90 and 32,724.60 is: 49,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,460.60 : 80,190.90 = 32,724.60 : x
  2. Step 2: Convert to fraction form
    53,460.60/80,190.90 = 32,724.60/x
  3. Step 3: Cross multiply
    53,460.60x = 80,190.90 × 32,724.60
  4. Step 4: Simplify right side
    53,460.60x = 2,624,215,126.14
  5. Step 5: Solve for x
    x = 2,624,215,126.14/53,460.60
  6. Step 6: Final answer
    x = 49,086.90

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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.