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Finding the Fourth Proportional to 7,352.41, 11,022.41 and 3,189.28

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Solution

The fourth proportional to 7,352.41, 11,022.41 and 3,189.28 is: 4,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.41 : 11,022.41 = 3,189.28 : x
  2. Step 2: Convert to fraction form
    7,352.41/11,022.41 = 3,189.28/x
  3. Step 3: Cross multiply
    7,352.41x = 11,022.41 × 3,189.28
  4. Step 4: Simplify right side
    7,352.41x = 35,153,543.79
  5. Step 5: Solve for x
    x = 35,153,543.79/7,352.41
  6. Step 6: Final answer
    x = 4,781.23

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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.