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Finding the Fourth Proportional to 9,197.88, 13,797.18 and 2,957.79

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Solution

The fourth proportional to 9,197.88, 13,797.18 and 2,957.79 is: 4,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.88 : 13,797.18 = 2,957.79 : x
  2. Step 2: Convert to fraction form
    9,197.88/13,797.18 = 2,957.79/x
  3. Step 3: Cross multiply
    9,197.88x = 13,797.18 × 2,957.79
  4. Step 4: Simplify right side
    9,197.88x = 40,809,161.03
  5. Step 5: Solve for x
    x = 40,809,161.03/9,197.88
  6. Step 6: Final answer
    x = 4,436.80

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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.