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Finding the Fourth Proportional to 57,703.97, 86,542.59 and 18,253.73

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Solution

The fourth proportional to 57,703.97, 86,542.59 and 18,253.73 is: 27,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,703.97 : 86,542.59 = 18,253.73 : x
  2. Step 2: Convert to fraction form
    57,703.97/86,542.59 = 18,253.73/x
  3. Step 3: Cross multiply
    57,703.97x = 86,542.59 × 18,253.73
  4. Step 4: Simplify right side
    57,703.97x = 1,579,725,071.36
  5. Step 5: Solve for x
    x = 1,579,725,071.36/57,703.97
  6. Step 6: Final answer
    x = 27,376.37

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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.