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Finding the Fourth Proportional to 18,295.06, 27,420.74 and 9,414.65

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Solution

The fourth proportional to 18,295.06, 27,420.74 and 9,414.65 is: 14,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.06 : 27,420.74 = 9,414.65 : x
  2. Step 2: Convert to fraction form
    18,295.06/27,420.74 = 9,414.65/x
  3. Step 3: Cross multiply
    18,295.06x = 27,420.74 × 9,414.65
  4. Step 4: Simplify right side
    18,295.06x = 258,156,520.97
  5. Step 5: Solve for x
    x = 258,156,520.97/18,295.06
  6. Step 6: Final answer
    x = 14,110.72

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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.