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Finding the Fourth Proportional to 57,685.44, 86,554.80 and 22,634.40

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Solution

The fourth proportional to 57,685.44, 86,554.80 and 22,634.40 is: 33,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,685.44 : 86,554.80 = 22,634.40 : x
  2. Step 2: Convert to fraction form
    57,685.44/86,554.80 = 22,634.40/x
  3. Step 3: Cross multiply
    57,685.44x = 86,554.80 × 22,634.40
  4. Step 4: Simplify right side
    57,685.44x = 1,959,115,965.12
  5. Step 5: Solve for x
    x = 1,959,115,965.12/57,685.44
  6. Step 6: Final answer
    x = 33,962.05

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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.