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Finding the Fourth Proportional to 3,523.44, 5,288.04 and 2,645.04

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Solution

The fourth proportional to 3,523.44, 5,288.04 and 2,645.04 is: 3,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.44 : 5,288.04 = 2,645.04 : x
  2. Step 2: Convert to fraction form
    3,523.44/5,288.04 = 2,645.04/x
  3. Step 3: Cross multiply
    3,523.44x = 5,288.04 × 2,645.04
  4. Step 4: Simplify right side
    3,523.44x = 13,987,077.32
  5. Step 5: Solve for x
    x = 13,987,077.32/3,523.44
  6. Step 6: Final answer
    x = 3,969.72

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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.