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Finding the Fourth Proportional to 3,628.32, 5,017.32 and 2,941.44

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Solution

The fourth proportional to 3,628.32, 5,017.32 and 2,941.44 is: 4,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.32 : 5,017.32 = 2,941.44 : x
  2. Step 2: Convert to fraction form
    3,628.32/5,017.32 = 2,941.44/x
  3. Step 3: Cross multiply
    3,628.32x = 5,017.32 × 2,941.44
  4. Step 4: Simplify right side
    3,628.32x = 14,758,145.74
  5. Step 5: Solve for x
    x = 14,758,145.74/3,628.32
  6. Step 6: Final answer
    x = 4,067.49

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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.