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Finding the Fourth Proportional to 45,394.86, 68,103.22 and 14,230.11

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Solution

The fourth proportional to 45,394.86, 68,103.22 and 14,230.11 is: 21,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394.86 : 68,103.22 = 14,230.11 : x
  2. Step 2: Convert to fraction form
    45,394.86/68,103.22 = 14,230.11/x
  3. Step 3: Cross multiply
    45,394.86x = 68,103.22 × 14,230.11
  4. Step 4: Simplify right side
    45,394.86x = 969,116,311.95
  5. Step 5: Solve for x
    x = 969,116,311.95/45,394.86
  6. Step 6: Final answer
    x = 21,348.59

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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.