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Finding the Fourth Proportional to 8,797.80, 13,197.90 and 2,956.08

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Solution

The fourth proportional to 8,797.80, 13,197.90 and 2,956.08 is: 4,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.80 : 13,197.90 = 2,956.08 : x
  2. Step 2: Convert to fraction form
    8,797.80/13,197.90 = 2,956.08/x
  3. Step 3: Cross multiply
    8,797.80x = 13,197.90 × 2,956.08
  4. Step 4: Simplify right side
    8,797.80x = 39,014,048.23
  5. Step 5: Solve for x
    x = 39,014,048.23/8,797.80
  6. Step 6: Final answer
    x = 4,434.52

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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.