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Finding the Fourth Proportional to 3,060.92, 4,591.24 and 981.03

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Solution

The fourth proportional to 3,060.92, 4,591.24 and 981.03 is: 1,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.92 : 4,591.24 = 981.03 : x
  2. Step 2: Convert to fraction form
    3,060.92/4,591.24 = 981.03/x
  3. Step 3: Cross multiply
    3,060.92x = 4,591.24 × 981.03
  4. Step 4: Simplify right side
    3,060.92x = 4,504,121.22
  5. Step 5: Solve for x
    x = 4,504,121.22/3,060.92
  6. Step 6: Final answer
    x = 1,471.50

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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.