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Finding the Fourth Proportional to 7,371.90, 11,043.03 and 3,662.90

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Solution

The fourth proportional to 7,371.90, 11,043.03 and 3,662.90 is: 5,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.90 : 11,043.03 = 3,662.90 : x
  2. Step 2: Convert to fraction form
    7,371.90/11,043.03 = 3,662.90/x
  3. Step 3: Cross multiply
    7,371.90x = 11,043.03 × 3,662.90
  4. Step 4: Simplify right side
    7,371.90x = 40,449,514.59
  5. Step 5: Solve for x
    x = 40,449,514.59/7,371.90
  6. Step 6: Final answer
    x = 5,486.99

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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.