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Finding the Fourth Proportional to 8,882.64, 13,322.68 and 4,266.96

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Solution

The fourth proportional to 8,882.64, 13,322.68 and 4,266.96 is: 6,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.64 : 13,322.68 = 4,266.96 : x
  2. Step 2: Convert to fraction form
    8,882.64/13,322.68 = 4,266.96/x
  3. Step 3: Cross multiply
    8,882.64x = 13,322.68 × 4,266.96
  4. Step 4: Simplify right side
    8,882.64x = 56,847,342.65
  5. Step 5: Solve for x
    x = 56,847,342.65/8,882.64
  6. Step 6: Final answer
    x = 6,399.83

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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.