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Finding the Fourth Proportional to 18,101.97, 27,152.98 and 4,954.46

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Solution

The fourth proportional to 18,101.97, 27,152.98 and 4,954.46 is: 7,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.97 : 27,152.98 = 4,954.46 : x
  2. Step 2: Convert to fraction form
    18,101.97/27,152.98 = 4,954.46/x
  3. Step 3: Cross multiply
    18,101.97x = 27,152.98 × 4,954.46
  4. Step 4: Simplify right side
    18,101.97x = 134,528,205.14
  5. Step 5: Solve for x
    x = 134,528,205.14/18,101.97
  6. Step 6: Final answer
    x = 7,431.69

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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.