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Finding the Fourth Proportional to 4,494.61, 6,729.80 and 2,930.73

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Solution

The fourth proportional to 4,494.61, 6,729.80 and 2,930.73 is: 4,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,494.61 : 6,729.80 = 2,930.73 : x
  2. Step 2: Convert to fraction form
    4,494.61/6,729.80 = 2,930.73/x
  3. Step 3: Cross multiply
    4,494.61x = 6,729.80 × 2,930.73
  4. Step 4: Simplify right side
    4,494.61x = 19,723,218.67
  5. Step 5: Solve for x
    x = 19,723,218.67/4,494.61
  6. Step 6: Final answer
    x = 4,388.20

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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.