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Finding the Fourth Proportional to 16,566.75, 22,863.11 and 9,396.95

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Solution

The fourth proportional to 16,566.75, 22,863.11 and 9,396.95 is: 12,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,566.75 : 22,863.11 = 9,396.95 : x
  2. Step 2: Convert to fraction form
    16,566.75/22,863.11 = 9,396.95/x
  3. Step 3: Cross multiply
    16,566.75x = 22,863.11 × 9,396.95
  4. Step 4: Simplify right side
    16,566.75x = 214,843,340.21
  5. Step 5: Solve for x
    x = 214,843,340.21/16,566.75
  6. Step 6: Final answer
    x = 12,968.35

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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.