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Finding the Fourth Proportional to 4,671.78, 7,012.31 and 2,480.52

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Solution

The fourth proportional to 4,671.78, 7,012.31 and 2,480.52 is: 3,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.78 : 7,012.31 = 2,480.52 : x
  2. Step 2: Convert to fraction form
    4,671.78/7,012.31 = 2,480.52/x
  3. Step 3: Cross multiply
    4,671.78x = 7,012.31 × 2,480.52
  4. Step 4: Simplify right side
    4,671.78x = 17,394,189.09
  5. Step 5: Solve for x
    x = 17,394,189.09/4,671.78
  6. Step 6: Final answer
    x = 3,723.25

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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.