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Finding the Fourth Proportional to 3,673.45, 5,069.26 and 2,101.45

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Solution

The fourth proportional to 3,673.45, 5,069.26 and 2,101.45 is: 2,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.45 : 5,069.26 = 2,101.45 : x
  2. Step 2: Convert to fraction form
    3,673.45/5,069.26 = 2,101.45/x
  3. Step 3: Cross multiply
    3,673.45x = 5,069.26 × 2,101.45
  4. Step 4: Simplify right side
    3,673.45x = 10,652,796.43
  5. Step 5: Solve for x
    x = 10,652,796.43/3,673.45
  6. Step 6: Final answer
    x = 2,899.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.