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Finding the Fourth Proportional to 4,891.60, 7,324.44 and 2,941.12

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Solution

The fourth proportional to 4,891.60, 7,324.44 and 2,941.12 is: 4,403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.60 : 7,324.44 = 2,941.12 : x
  2. Step 2: Convert to fraction form
    4,891.60/7,324.44 = 2,941.12/x
  3. Step 3: Cross multiply
    4,891.60x = 7,324.44 × 2,941.12
  4. Step 4: Simplify right side
    4,891.60x = 21,542,056.97
  5. Step 5: Solve for x
    x = 21,542,056.97/4,891.60
  6. Step 6: Final answer
    x = 4,403.89

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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.