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Finding the Fourth Proportional to 12,226.00, 18,326.59 and 6,950.11

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Solution

The fourth proportional to 12,226.00, 18,326.59 and 6,950.11 is: 10,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.00 : 18,326.59 = 6,950.11 : x
  2. Step 2: Convert to fraction form
    12,226.00/18,326.59 = 6,950.11/x
  3. Step 3: Cross multiply
    12,226.00x = 18,326.59 × 6,950.11
  4. Step 4: Simplify right side
    12,226.00x = 127,371,734.61
  5. Step 5: Solve for x
    x = 127,371,734.61/12,226.00
  6. Step 6: Final answer
    x = 10,418.11

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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.