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Finding the Fourth Proportional to 8,169.95, 11,274.11 and 4,633.49

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Solution

The fourth proportional to 8,169.95, 11,274.11 and 4,633.49 is: 6,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.95 : 11,274.11 = 4,633.49 : x
  2. Step 2: Convert to fraction form
    8,169.95/11,274.11 = 4,633.49/x
  3. Step 3: Cross multiply
    8,169.95x = 11,274.11 × 4,633.49
  4. Step 4: Simplify right side
    8,169.95x = 52,238,431.16
  5. Step 5: Solve for x
    x = 52,238,431.16/8,169.95
  6. Step 6: Final answer
    x = 6,393.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.