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Finding the Fourth Proportional to 8,855.16, 13,282.28 and 2,281.68

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Solution

The fourth proportional to 8,855.16, 13,282.28 and 2,281.68 is: 3,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.16 : 13,282.28 = 2,281.68 : x
  2. Step 2: Convert to fraction form
    8,855.16/13,282.28 = 2,281.68/x
  3. Step 3: Cross multiply
    8,855.16x = 13,282.28 × 2,281.68
  4. Step 4: Simplify right side
    8,855.16x = 30,305,912.63
  5. Step 5: Solve for x
    x = 30,305,912.63/8,855.16
  6. Step 6: Final answer
    x = 3,422.40

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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.