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Finding the Fourth Proportional to 54,258.60, 81,412.20 and 24,661.20

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Solution

The fourth proportional to 54,258.60, 81,412.20 and 24,661.20 is: 37,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.60 : 81,412.20 = 24,661.20 : x
  2. Step 2: Convert to fraction form
    54,258.60/81,412.20 = 24,661.20/x
  3. Step 3: Cross multiply
    54,258.60x = 81,412.20 × 24,661.20
  4. Step 4: Simplify right side
    54,258.60x = 2,007,722,546.64
  5. Step 5: Solve for x
    x = 2,007,722,546.64/54,258.60
  6. Step 6: Final answer
    x = 37,002.84

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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.