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Finding the Fourth Proportional to 7,480.94, 11,221.41 and 2,008.94

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Solution

The fourth proportional to 7,480.94, 11,221.41 and 2,008.94 is: 3,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.94 : 11,221.41 = 2,008.94 : x
  2. Step 2: Convert to fraction form
    7,480.94/11,221.41 = 2,008.94/x
  3. Step 3: Cross multiply
    7,480.94x = 11,221.41 × 2,008.94
  4. Step 4: Simplify right side
    7,480.94x = 22,543,139.41
  5. Step 5: Solve for x
    x = 22,543,139.41/7,480.94
  6. Step 6: Final answer
    x = 3,013.41

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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.