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Finding the Fourth Proportional to 54,644.88, 81,968.08 and 15,201.12

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Solution

The fourth proportional to 54,644.88, 81,968.08 and 15,201.12 is: 22,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.88 : 81,968.08 = 15,201.12 : x
  2. Step 2: Convert to fraction form
    54,644.88/81,968.08 = 15,201.12/x
  3. Step 3: Cross multiply
    54,644.88x = 81,968.08 × 15,201.12
  4. Step 4: Simplify right side
    54,644.88x = 1,246,006,620.25
  5. Step 5: Solve for x
    x = 1,246,006,620.25/54,644.88
  6. Step 6: Final answer
    x = 22,801.89

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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.