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Finding the Fourth Proportional to 3,060.88, 4,591.83 and 980.93

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Solution

The fourth proportional to 3,060.88, 4,591.83 and 980.93 is: 1,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.88 : 4,591.83 = 980.93 : x
  2. Step 2: Convert to fraction form
    3,060.88/4,591.83 = 980.93/x
  3. Step 3: Cross multiply
    3,060.88x = 4,591.83 × 980.93
  4. Step 4: Simplify right side
    3,060.88x = 4,504,263.80
  5. Step 5: Solve for x
    x = 4,504,263.80/3,060.88
  6. Step 6: Final answer
    x = 1,471.56

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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.