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Finding the Fourth Proportional to 4,672.97, 7,012.94 and 2,208.55

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Solution

The fourth proportional to 4,672.97, 7,012.94 and 2,208.55 is: 3,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.97 : 7,012.94 = 2,208.55 : x
  2. Step 2: Convert to fraction form
    4,672.97/7,012.94 = 2,208.55/x
  3. Step 3: Cross multiply
    4,672.97x = 7,012.94 × 2,208.55
  4. Step 4: Simplify right side
    4,672.97x = 15,488,400.06
  5. Step 5: Solve for x
    x = 15,488,400.06/4,672.97
  6. Step 6: Final answer
    x = 3,314.46

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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.