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Finding the Fourth Proportional to 54,665.60, 81,998.40 and 33,670.40

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Solution

The fourth proportional to 54,665.60, 81,998.40 and 33,670.40 is: 50,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.60 : 81,998.40 = 33,670.40 : x
  2. Step 2: Convert to fraction form
    54,665.60/81,998.40 = 33,670.40/x
  3. Step 3: Cross multiply
    54,665.60x = 81,998.40 × 33,670.40
  4. Step 4: Simplify right side
    54,665.60x = 2,760,918,927.36
  5. Step 5: Solve for x
    x = 2,760,918,927.36/54,665.60
  6. Step 6: Final answer
    x = 50,505.60

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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.