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Finding the Fourth Proportional to 7,346.43, 11,021.22 and 3,448.71

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Solution

The fourth proportional to 7,346.43, 11,021.22 and 3,448.71 is: 5,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.43 : 11,021.22 = 3,448.71 : x
  2. Step 2: Convert to fraction form
    7,346.43/11,021.22 = 3,448.71/x
  3. Step 3: Cross multiply
    7,346.43x = 11,021.22 × 3,448.71
  4. Step 4: Simplify right side
    7,346.43x = 38,008,991.63
  5. Step 5: Solve for x
    x = 38,008,991.63/7,346.43
  6. Step 6: Final answer
    x = 5,173.80

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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.