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Finding the Fourth Proportional to 54,266.60, 81,270.30 and 33,271.40

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Solution

The fourth proportional to 54,266.60, 81,270.30 and 33,271.40 is: 49,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,266.60 : 81,270.30 = 33,271.40 : x
  2. Step 2: Convert to fraction form
    54,266.60/81,270.30 = 33,271.40/x
  3. Step 3: Cross multiply
    54,266.60x = 81,270.30 × 33,271.40
  4. Step 4: Simplify right side
    54,266.60x = 2,703,976,659.42
  5. Step 5: Solve for x
    x = 2,703,976,659.42/54,266.60
  6. Step 6: Final answer
    x = 49,827.64

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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.