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Finding the Fourth Proportional to 4,809.73, 7,219.05 and 2,964.45

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Solution

The fourth proportional to 4,809.73, 7,219.05 and 2,964.45 is: 4,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.73 : 7,219.05 = 2,964.45 : x
  2. Step 2: Convert to fraction form
    4,809.73/7,219.05 = 2,964.45/x
  3. Step 3: Cross multiply
    4,809.73x = 7,219.05 × 2,964.45
  4. Step 4: Simplify right side
    4,809.73x = 21,400,512.77
  5. Step 5: Solve for x
    x = 21,400,512.77/4,809.73
  6. Step 6: Final answer
    x = 4,449.42

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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.