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Finding the Fourth Proportional to 8,563.79, 12,844.19 and 2,322.98

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Solution

The fourth proportional to 8,563.79, 12,844.19 and 2,322.98 is: 3,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.79 : 12,844.19 = 2,322.98 : x
  2. Step 2: Convert to fraction form
    8,563.79/12,844.19 = 2,322.98/x
  3. Step 3: Cross multiply
    8,563.79x = 12,844.19 × 2,322.98
  4. Step 4: Simplify right side
    8,563.79x = 29,836,720.65
  5. Step 5: Solve for x
    x = 29,836,720.65/8,563.79
  6. Step 6: Final answer
    x = 3,484.06

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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.