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Finding the Fourth Proportional to 18,104.97, 27,157.48 and 4,957.46

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Solution

The fourth proportional to 18,104.97, 27,157.48 and 4,957.46 is: 7,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.97 : 27,157.48 = 4,957.46 : x
  2. Step 2: Convert to fraction form
    18,104.97/27,157.48 = 4,957.46/x
  3. Step 3: Cross multiply
    18,104.97x = 27,157.48 × 4,957.46
  4. Step 4: Simplify right side
    18,104.97x = 134,631,972.62
  5. Step 5: Solve for x
    x = 134,631,972.62/18,104.97
  6. Step 6: Final answer
    x = 7,436.19

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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.