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Finding the Fourth Proportional to 8,782.08, 13,169.16 and 3,234.48

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Solution

The fourth proportional to 8,782.08, 13,169.16 and 3,234.48 is: 4,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.08 : 13,169.16 = 3,234.48 : x
  2. Step 2: Convert to fraction form
    8,782.08/13,169.16 = 3,234.48/x
  3. Step 3: Cross multiply
    8,782.08x = 13,169.16 × 3,234.48
  4. Step 4: Simplify right side
    8,782.08x = 42,595,384.64
  5. Step 5: Solve for x
    x = 42,595,384.64/8,782.08
  6. Step 6: Final answer
    x = 4,850.26

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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.