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Finding the Fourth Proportional to 27,162.84, 40,745.11 and 8,442.97

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Solution

The fourth proportional to 27,162.84, 40,745.11 and 8,442.97 is: 12,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.84 : 40,745.11 = 8,442.97 : x
  2. Step 2: Convert to fraction form
    27,162.84/40,745.11 = 8,442.97/x
  3. Step 3: Cross multiply
    27,162.84x = 40,745.11 × 8,442.97
  4. Step 4: Simplify right side
    27,162.84x = 344,009,741.38
  5. Step 5: Solve for x
    x = 344,009,741.38/27,162.84
  6. Step 6: Final answer
    x = 12,664.72

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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.